Inventor · disambiguated record

Doyle F. Johnson

Also filed as: JOHNSON DOYLE F

2 granted patents·37 citations·filing 1975–1979

61Inventor score

Technology areasA01K Y10S

Files withNORTH AMERICAN CULVERT CORP1 TRI STATE CULVERT CORP1

Top patents by PatentIndex Score

2 records

0168US4269234AHigh strength pipeTRI STATE CULVERT CORP·Filed 1979·Granted May 26, 1981·32 cites·6 claims
0217US3960111ANesting support apparatus for fowlNORTH AMERICAN CULVERT CORP·Filed 1975·Granted Jun 1, 1976·5 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Doyle F. Johnson files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →