Inventor
KOELLE ALFRED R
12 patents
⚠️ This page may combine multiple inventors who share the name “KOELLE ALFRED R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMTECH CORP
8 patentsUS5030807AJul 9, 1991
System for reading and writing data from and into remote tags
AMTECH CORP382 citations98
US4739328AApr 19, 1988
System for identifying particular objects
AMTECH CORP391 citations98
US4786907ANov 22, 1988
Transponder useful in a system for identifying objects
AMTECH CORP134 citations97
US5771021AJun 23, 1998
Transponder employing modulated backscatter microstrip double patch antenna
AMTECH CORP141 citations96
US5510795AApr 23, 1996
Single antenna location and direction finding system
AMTECH CORP53 citations96
US5504485AApr 2, 1996
System for preventing reading of undesired RF signals
AMTECH CORP96 citations95
US4864158ASep 5, 1989
Rapid signal validity checking apparatus
AMTECH CORP84 citations94
US5479160ADec 26, 1995
Low level RF threshold detector
AMTECH CORP30 citations92