Inventor · disambiguated record
William F. Ostergren
Also filed as: OSTERGREN WILLIAM F
5 granted patents·25 citations·filing 1974–1979
76Inventor score
Top patents by PatentIndex Score
5 records- 0143US4451004AFlail headSPERRY CORP·Filed 1979·Granted May 29, 1984·11 cites·13 claims
- 0237US3934393ABreakaway mechanism for an improved crop material roll forming machineSPERRY RAND CORP·Filed 1974·Granted Jan 27, 1976·5 cites·6 claims
- 0329US4219163AClosing mechanism for a fine material pan on a manure spreaderSPERRY CORP·Filed 1979·Granted Aug 26, 1980·3 cites·22 claims
- 0428US4241879ADrive system for a manure spreaderSPERRY CORP·Filed 1979·Granted Dec 30, 1980·3 cites·24 claims
- 0528US4097001ADetachable wear plate for a flail-type material spreaderSPERRY RAND CORP·Filed 1977·Granted Jun 27, 1978·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →