Inventor · disambiguated record
W. Grant Johnson
Also filed as: JOHNSON W GRANT
5 granted patents·180 citations·filing 1975–1992
84Inventor score
Files withJOHNSON W GRANT5
Top patents by PatentIndex Score
5 records- 0186US4126912AClosing attachment kit for sliding door and anti-friction supportJOHNSON W GRANT·Filed 1977·Granted Nov 28, 1978·52 cites·33 claims
- 0280US4015336AValve for an oral evacuator systemJOHNSON W GRANT·Filed 1975·Granted Apr 5, 1977·45 cites·7 claims
- 0375US4081176AValve for an oral evacuator systemJOHNSON W GRANT·Filed 1976·Granted Mar 28, 1978·35 cites·5 claims
- 0472US4522592AValve structure for an oral evacuator systemJOHNSON W GRANT·Filed 1983·Granted Jun 11, 1985·39 cites·11 claims
- 0548US5279242ATiller arm for outboard motorsJOHNSON W GRANT·Filed 1992·Granted Jan 18, 1994·9 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →