Assignee
WHITEHEAD EDWIN N
3 granted patents·75 citations·filing 1978–1984
Top patents by PatentIndex Score
3 records- 0187US4253017AMagnetically coded identification cardWHITEHEAD EDWIN N·Filed 1978·Granted Feb 24, 1981·42 cites·6 claims
- 0279US4455484AIdentification card which is magnetically coded to prevent counterfeitingWHITEHEAD EDWIN N·Filed 1982·Granted Jun 19, 1984·22 cites·29 claims
- 0349US4618167ASecurity filament for use in identification cardsWHITEHEAD EDWIN N·Filed 1984·Granted Oct 21, 1986·11 cites·9 claims
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