Individual holder
NISWONGER JOHN O
3 granted patents·70 citations·filing 1982–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0177US4494431APortable radial arm sawNISWONGER JOHN O·Filed 1982·Granted Jan 22, 1985·31 cites·8 claims
- 0259US4996795AAutomatic garage door dead-bolt lockNISWONGER JOHN O·Filed 1990·Granted Mar 5, 1991·26 cites·11 claims
- 0348US5080409AGarage door lock actuation mechanismNISWONGER JOHN O·Filed 1991·Granted Jan 14, 1992·13 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when NISWONGER JOHN O 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 →