Inventor
BELKA ANTHONY M
US7 patents
⚠️ This page may combine multiple inventors who share the name “BELKA ANTHONY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
4 patentsUS5777884AJul 7, 1998
Article inventory tracking and control system
MINNESOTA MINING & MFG174 citations98
US6438447B1Aug 20, 2002
Article inventory tracking apparatus and method
MINNESOTA MINING & MFG35 citations92
US4888579ADec 19, 1989
False alarm minimization and direction determination methods
MINNESOTA MINING & MFG32 citations89
US5625339AApr 29, 1997
Apparatus for changing the status of magnetic markers in an electronic article surveillance system
MINNESOTA MINING & MFG16 citations65
3M INNOVATIVE PROPERTIES CO
3 patentsUS6142375ANov 7, 2000
Apparatus and method for the optical detection of multiple items on a platform
3M INNOVATIVE PROPERTIES CO80 citations95
US6778087B2Aug 17, 2004
Dual axis magnetic field EAS device
3M INNOVATIVE PROPERTIES CO18 citations83
US6486782B1Nov 26, 2002
Device for changing the status of dual status magnetic electronic article surveillance markers
3M INNOVATIVE PROPERTIES CO13 citations73