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Inventor
SEITER WILLIAM A
3 patents
⚠️ This page may combine multiple inventors who share the name “SEITER WILLIAM A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
H R ELECTRONICS CO
2 patents
US4254857A
Mar 10, 1981
Detection device
H R ELECTRONICS CO
50 citations
87
US4105867A
Aug 8, 1978
Control circuit for pay telephones and the like
H R ELECTRONICS CO
8 citations
71
H R ELECTRONICS
1 patent
US4151904A
May 1, 1979
Coin detection device
H R ELECTRONICS
22 citations
76