Individual holder
UNDERWOOD JOHN P
US·3 granted patents·135 citations·filing 1988–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0185US5246114APreserving package and method of storageUNDERWOOD JOHN P·Filed 1992·Granted Sep 21, 1993·74 cites·15 claims
- 0272US5245878AVegetation maintenance systemUNDERWOOD JOHN P·Filed 1991·Granted Sep 21, 1993·32 cites·13 claims
- 0361US4986368APlanting apparatusUNDERWOOD JOHN P·Filed 1988·Granted Jan 22, 1991·29 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when UNDERWOOD JOHN P 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 →