Inventor · disambiguated record
William J. Graaskamp
Also filed as: GRAASKAMP WILLIAM J
3 granted patents·47 citations·filing 1987–1987
71Inventor score
Files withMASSEY FERGUSON SERVICES NV3
Top patents by PatentIndex Score
3 records- 0169US4907493AValve control system for hitch motorMASSEY FERGUSON SERVICES NV·Filed 1987·Granted Mar 13, 1990·23 cites·9 claims
- 0251US4817499ATractor hitch control systemMASSEY FERGUSON SERVICES NV·Filed 1987·Granted Apr 4, 1989·17 cites·12 claims
- 0339US4907653AImplement control systemMASSEY FERGUSON SERVICES NV·Filed 1987·Granted Mar 13, 1990·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →