Inventor
FELTZ JOHN F
US8 patents
⚠️ This page may combine multiple inventors who share the name “FELTZ JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MONARCH MARKING SYSTEMS INC
3 patentsUS4972198ANov 20, 1990
Multiple loop antenna
MONARCH MARKING SYSTEMS INC37 citations89
US4872018AOct 3, 1989
Multiple loop antenna
MONARCH MARKING SYSTEMS INC49 citations89
US4812822AMar 14, 1989
Electronic article surveillance system utilizing synchronous integration
MONARCH MARKING SYSTEMS INC19 citations71