Assignee
JOHNSON WILFRED B
3 granted patents·72 citations·filing 1982–1983
Top patents by PatentIndex Score
3 records- 0179US4523519AHeating and cooling system using ground airJOHNSON WILFRED B·Filed 1983·Granted Jun 18, 1985·39 cites·7 claims
- 0261US4443990AMethod of producing crack free logsJOHNSON WILFRED B·Filed 1982·Granted Apr 24, 1984·19 cites·9 claims
- 0350US4554894ATwin piston-per-cylinder engineJOHNSON WILFRED B·Filed 1983·Granted Nov 26, 1985·14 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when JOHNSON WILFRED B files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →