Assignee
NORTHERN ENGRAVING
3 granted patents·10 citations·filing 1977–1978
Technology mixG03B3
Top patents by PatentIndex Score
3 records- 0163US4174889ATravel monitorNORTHERN ENGRAVING·Filed 1977·Granted Nov 20, 1979·7 cites·6 claims
- 0238US4203657AMicro image cassette and viewerNORTHERN ENGRAVING·Filed 1978·Granted May 20, 1980·2 cites·14 claims
- 0331US4203658AMicro image storage and retrieval apparatusNORTHERN ENGRAVING·Filed 1977·Granted May 20, 1980·1 cites·25 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →