Inventor
BRAHM DAVID J
US40 patents
⚠️ This page may combine multiple inventors who share the name “BRAHM DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALLWAVE INC
11 patentsUS7822188B1Oct 26, 2010
Methods and apparatus for providing expanded telecommunications service
CALLWAVE INC163 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
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
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
US7742586B1Jun 22, 2010
Enhanced service levels for call-processing services
CALLWAVE INC26 citations91
US7907933B1Mar 15, 2011
Call routing apparatus
CALLWAVE INC3 citations63
CALLWAVE COMMUNICATIONS LLC
10 patentsUS9647978B2May 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
US8891753B2Nov 18, 2014
Methods and apparatus for providing expanded telecommunications service
CALLWAVE COMMUNICATIONS LLC8 citations84
US9258412B1Feb 9, 2016
Enhanced service levels for call-processing services
CALLWAVE COMMUNICATIONS LLC1 citations63
US8744061B2Jun 3, 2014
Systems and methods for call screening
CALLWAVE COMMUNICATIONS LLC1 citations63
US8374917B1Feb 12, 2013
Call routing apparatus
CALLWAVE COMMUNICATIONS LLC3 citations63
US9917953B2Mar 13, 2018
Systems and methods for call processing
CALLWAVE COMMUNICATIONS LLC0 citations52
US9215326B2Dec 15, 2015
Systems and methods for call processing
CALLWAVE COMMUNICATIONS LLC0 citations52
US8929258B1Jan 6, 2015
Enhanced service levels for call-processing services
CALLWAVE COMMUNICATIONS LLC0 citations52
US8583508B1Nov 12, 2013
Call routing apparatus
CALLWAVE COMMUNICATIONS LLC0 citations52
TRANDAL DAVID S
9 patentsUS8229861B1Jul 24, 2012
Methods and systems for online warranty management
TRANDAL DAVID S106 citations98
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
US8400664B2Mar 19, 2013
Facsimile telecommunications system and method
TRANDAL DAVID S5 citations84
US8081337B2Dec 20, 2011
Facsimile telecommunications system and method
TRANDAL DAVID S5 citations74
US9195973B1Nov 24, 2015
Methods and systems for processing telephonic communications and product data
TRANDAL DAVID S5 citations73
US8135726B1Mar 13, 2012
Methods and systems for inventory management
TRANDAL DAVID S3 citations63
US8670536B1Mar 11, 2014
Enhanced service levels for call-processing services
TRANDAL DAVID S0 citations50
US8165278B2Apr 24, 2012
Enhanced service levels for call-processing services
TRANDAL DAVID S0 citations50