Inventor · disambiguated record
Roger L. Risser
Also filed as: RISSER ROGER L · WAGSTAFF ROBERT A
3 granted patents·23 citations·filing 1976–1978
67Inventor score
Files withSPERRY RAND CORP3
Top patents by PatentIndex Score
3 records- 0153US4045041AWheel adjustment mechanism for a forage blowerSPERRY RAND CORP·Filed 1976·Granted Aug 30, 1977·12 cites·13 claims
- 0239US4171180AFast acting clutching and de-clutching mechanismSPERRY RAND CORP·Filed 1978·Granted Oct 16, 1979·8 cites·7 claims
- 0324US4158469AFeed material handling apparatusSPERRY RAND CORP·Filed 1977·Granted Jun 19, 1979·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →