Inventor · disambiguated record
Vernon C. Spellman
Also filed as: SPELLMAN VERNON C
4 granted patents·269 citations·filing 1974–1989
82Inventor score
Top patents by PatentIndex Score
4 records- 0195US4721217ATamper evident optically variable device and article utilizing the sameOPTICAL COATING LABORATORY INC·Filed 1986·Granted Jan 26, 1988·169 cites·21 claims
- 0287US3938347ALevel control apparatus and method for cryogenic liquidsOPTICAL COATING LABORATORY INC·Filed 1974·Granted Feb 17, 1976·53 cites·7 claims
- 0362US5005719ATamper evident optical device and article utilizing the sameFLEX PRODUCTS INC·Filed 1989·Granted Apr 9, 1991·30 cites·25 claims
- 0446US4840281ATamper evident optical device and article utilizing the sameOPTICAL COATING LABORATORY INC·Filed 1988·Granted Jun 20, 1989·17 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →