Inventor
TRANDAL DAVID S
US111 patents
⚠️ This page may combine multiple inventors who share the name “TRANDAL DAVID S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALLWAVE INC
13 patentsUS7839987B1Nov 23, 2010
Methods and systems for creating a dynamic call log and contact records
CALLWAVE INC106 citations99
US7822188B1Oct 26, 2010
Methods and apparatus for providing expanded telecommunications service
CALLWAVE INC163 citations99
US7555110B2Jun 30, 2009
Methods and apparatus for providing expanded telecommunications service
CALLWAVE INC194 citations99
US6968174B1Nov 22, 2005
Call routing apparatus
CALLWAVE INC204 citations99
US6879677B2Apr 12, 2005
Methods and systems for telephony call completion
CALLWAVE INC179 citations99
US6738461B2May 18, 2004
Methods and apparatus for returning a call over a telephony system
CALLWAVE INC141 citations99
US8000455B1Aug 16, 2011
Methods and systems for call processing
CALLWAVE INC52 citations96
US7480065B1Jan 20, 2009
Facsimile telecommunications system and method
CALLWAVE INC46 citations96
US7266185B2Sep 4, 2007
Methods and apparatus for returning a call over a telephony system
CALLWAVE INC44 citations96
US7852749B2Dec 14, 2010
Methods and systems for routing telecommunications
CALLWAVE INC91 citations95
US7308081B2Dec 11, 2007
Methods and systems for telephony call completion
CALLWAVE INC23 citations93
US7292841B2Nov 6, 2007
Call routing apparatus
CALLWAVE INC13 citations93
US7508927B1Mar 24, 2009
Methods and apparatus for returning a call over a telephony system
CALLWAVE INC21 citations92
TRANDAL DAVID S
8 patentsUS7792709B1Sep 7, 2010
Methods and systems for receipt management and price comparison
TRANDAL DAVID S198 citations99
US8442844B1May 14, 2013
Methods and systems for claims management facilitation
TRANDAL DAVID S88 citations98
US8285604B1Oct 9, 2012
Methods and systems for receipt management and price comparison
TRANDAL DAVID S44 citations98
US8229861B1Jul 24, 2012
Methods and systems for online warranty management
TRANDAL DAVID S106 citations98
US7899823B1Mar 1, 2011
Methods and systems for inventory management
TRANDAL DAVID S54 citations98
US7962485B1Jun 14, 2011
Methods and systems for inventory management
TRANDAL DAVID S42 citations96
US8468064B1Jun 18, 2013
Methods and systems for receipt management and price comparison
TRANDAL DAVID S19 citations92
US8295452B1Oct 23, 2012
Methods and systems for processing telephonic communications and product data
TRANDAL DAVID S17 citations92
CALLWAVE COMMUNICATIONS LLC
8 patentsUS8369311B1Feb 5, 2013
Methods and systems for providing telephony services to fixed and mobile telephonic devices
CALLWAVE COMMUNICATIONS LLC68 citations98
US9277043B1Mar 1, 2016
Methods and systems for managing telecommunications and for translating voice messages to text messages
CALLWAVE COMMUNICATIONS LLC26 citations93
US8861694B1Oct 14, 2014
Methods and systems for creating a dynamic call log and contact records
CALLWAVE COMMUNICATIONS LLC15 citations93
US8774785B1Jul 8, 2014
Methods and systems for blocking unwanted communications
CALLWAVE COMMUNICATIONS LLC17 citations93
US9647978B2May 9, 2017
Methods and apparatus for providing expanded telecommunications service
CALLWAVE COMMUNICATIONS LLC14 citations92
US9319523B2Apr 19, 2016
Methods and apparatus for providing expanded telecommunications service
CALLWAVE COMMUNICATIONS LLC18 citations92
US8977248B1Mar 10, 2015
Methods and systems for managing telecommunications and for translating voice messages to text messages
CALLWAVE COMMUNICATIONS LLC20 citations92
US8688092B1Apr 1, 2014
Methods and systems for managing telecommunications and for translating voice messages to text messages
CALLWAVE COMMUNICATIONS LLC12 citations92
KIRCHHOFF LELAND W
7 patentsUS8548447B1Oct 1, 2013
Methods and systems for blocking unwanted telecommunications
KIRCHHOFF LELAND W33 citations96
US8214338B1Jul 3, 2012
Methods and systems for media storage
KIRCHHOFF LELAND W49 citations94
US8503646B1Aug 6, 2013
Methods and systems for routing calls
KIRCHHOFF LELAND W17 citations93
US8270582B1Sep 18, 2012
Methods and systems for routing calls
KIRCHHOFF LELAND W20 citations93
US8855107B1Oct 7, 2014
Methods and systems for call routing via a telephone number
KIRCHHOFF LELAND W21 citations92
US8325886B1Dec 4, 2012
Methods and systems for managing telecommunications
KIRCHHOFF LELAND W18 citations92
US8121626B1Feb 21, 2012
Method and systems for short message forwarding services
KIRCHHOFF LELAND W15 citations92
INVOCA INC
5 patentsUS8781105B1Jul 15, 2014
Methods and systems for processing and managing communications
INVOCA INC56 citations97
US8917860B2Dec 23, 2014
Methods and systems for processing and managing communications
INVOCA INC33 citations94
US8755511B2Jun 17, 2014
Methods and systems for processing and managing telephonic communications
INVOCA INC38 citations94
US9171322B2Oct 27, 2015
Methods and systems for routing calls in a marketing campaign
INVOCA INC44 citations93
US9036808B2May 19, 2015
Methods and systems for data transfer and campaign management
INVOCA INC24 citations92
MCCLINTOCK DAVID C
3 patentsUS8218736B1Jul 10, 2012
Methods and systems for confirming message delivery
MCCLINTOCK DAVID C58 citations97
US8102986B1Jan 24, 2012
Methods and systems for providing telecommunications services
MCCLINTOCK DAVID C62 citations97
US8325897B1Dec 4, 2012
Methods and systems for providing telecommunications services
MCCLINTOCK DAVID C12 citations92
BLADON ANTHONY
1 patentRINGREVENUE INC
1 patentDOLAN ROBERT A
1 patentSMITH ROBERT
1 patentJ2 GLOBAL COMMUNICATIONS INC
1 patentCALLWAVE COMM LLC
1 patentShowing the top 50 of 111 patents by PatentIndex Score.