Inventor · disambiguated record
Edward Spencer
Also filed as: SPENCER EDWARD · SPENCER EDWARD G · SPENCER EDWARD GUERRANT
6 granted patents·204 citations·filing 1976–1987
87Inventor score
Files withBELL TELEPHONE LABOR INC2LITTLE GIANT IND INC2AMERICAN TELEPHONE & TELEGRAPH1SPENCER TOOL & MFG CO INC1
Top patents by PatentIndex Score
6 records- 0194USD248777SLadder platformLITTLE GIANT IND INC·Filed 1976·Granted Aug 1, 1978·54 cites·1 claims
- 0284US4031981AFoldable work platformLITTLE GIANT IND INC·Filed 1976·Granted Jun 28, 1977·36 cites·6 claims
- 0376US4782460AComputing apparatus comprising a programmable resistorAMERICAN TELEPHONE & TELEGRAPH·Filed 1987·Granted Nov 1, 1988·36 cites·9 claims
- 0475US4225216ATungsten niobate electrochromic deviceBELL TELEPHONE LABOR INC·Filed 1979·Granted Sep 30, 1980·26 cites·8 claims
- 0573US4061203ALadder attachmentSPENCER TOOL & MFG CO INC·Filed 1977·Granted Dec 6, 1977·40 cites·3 claims
- 0657US4121238AMetal oxide/indium phosphide devicesBELL TELEPHONE LABOR INC·Filed 1977·Granted Oct 17, 1978·12 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →