Individual holder
HELLER HAROLD G
4 granted patents·105 citations·filing 1977–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0193US4220708APhotochromic compoundsHELLER HAROLD G·Filed 1977·Granted Sep 2, 1980·83 cites·25 claims
- 0275US4186002APhotochromic compounds for hologram recordingHELLER HAROLD G·Filed 1978·Granted Jan 29, 1980·13 cites·11 claims
- 0336US4145536APhotochromic compoundsHELLER HAROLD G·Filed 1977·Granted Mar 20, 1979·6 cites·12 claims
- 0429US4182629APhotochromic compoundsHELLER HAROLD G·Filed 1978·Granted Jan 8, 1980·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →