Inventor · disambiguated record
Michael T. Spellman
Also filed as: MATUCHESKI JOSEPH V · SPELLMAN MICHAEL T · SPELLMAN MICHAEL THOMAS
4 granted patents·27 citations·filing 1975–1978
74Inventor score
Files withWALLACE MURRAY CORP4
Top patents by PatentIndex Score
4 records- 0153US4012168ATwisted flex fanWALLACE MURRAY CORP·Filed 1975·Granted Mar 15, 1977·14 cites·7 claims
- 0235US4172693AFlexible bladed fan constructionWALLACE MURRAY CORP·Filed 1977·Granted Oct 30, 1979·6 cites·1 claims
- 0330US4105366ATwisted flex fanWALLACE MURRAY CORP·Filed 1976·Granted Aug 8, 1978·3 cites·4 claims
- 0427US4242046AFan spider with rake angleWALLACE MURRAY CORP·Filed 1978·Granted Dec 30, 1980·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →