Inventor
MCCALL MELVIN D
US37 patents
⚠️ This page may combine multiple inventors who share the name “MCCALL MELVIN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAND HELD PROD INC
22 patentsUS9734493B2Aug 15, 2017
Terminal including imaging assembly
HAND HELD PROD INC106 citations99
US8967468B2Mar 3, 2015
Terminal including imaging assembly
HAND HELD PROD INC513 citations99
US7748620B2Jul 6, 2010
Transaction terminal including imaging module
HAND HELD PROD INC119 citations99
US7451917B2Nov 18, 2008
Transaction terminal comprising imaging module
HAND HELD PROD INC62 citations98
US7270274B2Sep 18, 2007
Imaging module comprising support post for optical reader
HAND HELD PROD INC155 citations98
US7219841B2May 22, 2007
Device and system for verifying quality of bar codes
HAND HELD PROD INC98 citations98
US6832725B2Dec 21, 2004
Optical reader comprising multiple color illumination
HAND HELD PROD INC967 citations98
US6550679B2Apr 22, 2003
Image sensor mounting system
HAND HELD PROD INC309 citations98
US7878403B2Feb 1, 2011
Image sensor based optical reader
HAND HELD PROD INC69 citations97
US7533824B2May 19, 2009
Image sensor based optical reader
HAND HELD PROD INC61 citations97
US7296751B2Nov 20, 2007
Imaging module for optical reader
HAND HELD PROD INC120 citations97
US7121470B2Oct 17, 2006
Transaction terminal having elongated finger recess
HAND HELD PROD INC108 citations97
USD459728SJul 2, 2002
Optical reader device
HAND HELD PROD INC111 citations96
US7600687B2Oct 13, 2009
Device and system for processing image data representing bar codes
HAND HELD PROD INC39 citations95
US9076054B2Jul 7, 2015
Image sensor based optical reader
HAND HELD PROD INC13 citations92
US7500614B2Mar 10, 2009
Imaging module for optical reader
HAND HELD PROD INC42 citations92
US7472825B2Jan 6, 2009
Transaction terminal
HAND HELD PROD INC34 citations92
US7306155B2Dec 11, 2007
Image sensor assembly for optical reader
HAND HELD PROD INC22 citations92
US7172114B2Feb 6, 2007
Tamperproof point of sale transaction terminal
HAND HELD PROD INC21 citations90
US8342408B2Jan 1, 2013
Device and system for processing image data representing bar codes
HAND HELD PROD INC7 citations83
US8002187B2Aug 23, 2011
Device and system for processing image data representing bar codes
HAND HELD PROD INC7 citations83
US7479946B2Jan 20, 2009
Ergonomically designed multifunctional transaction terminal
HAND HELD PROD INC15 citations81
WELCH ALLYN DATA COLLECTION
5 patentsUS6601768B2Aug 5, 2003
Imaging module for optical reader comprising refractive diffuser
WELCH ALLYN DATA COLLECTION241 citations98
US6371374B1Apr 16, 2002
Adjustable illumination system for a barcode scanner
WELCH ALLYN DATA COLLECTION355 citations98
US6275388B1Aug 14, 2001
Image sensor mounting system
WELCH ALLYN DATA COLLECTION194 citations98
US6164544ADec 26, 2000
Adjustable illumination system for a barcode scanner
WELCH ALLYN DATA COLLECTION254 citations98
US6607128B1Aug 19, 2003
Optical assembly for barcode scanner
WELCH ALLYN DATA COLLECTION230 citations97