Inventor · disambiguated record
Fred A. Chapman
Also filed as: CHAPMAN FRED A
3 granted patents·122 citations·filing 1988–1995
74Inventor score
Files withALEXANDER MACHINERY INC2
Top patents by PatentIndex Score
3 records- 0190US4941718AConcealed retractable housingsALEXANDER MACHINERY INC·Filed 1988·Granted Jul 17, 1990·96 cites·4 claims
- 0269US5435501ACenter wind takeup drive and methodFiled 1993·Granted Jul 25, 1995·19 cites·7 claims
- 0344US5791583ACloth takeup control apparatus and methodALEXANDER MACHINERY INC·Filed 1995·Granted Aug 11, 1998·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →