Individual holder
MARTIN FRANK J
US·4 granted patents·53 citations·filing 1984–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0172US4785286AAlarm unit for panic bar type door operatorMARTIN FRANK J·Filed 1986·Granted Nov 15, 1988·28 cites·39 claims
- 0257US4611840ADoor control mechanismMARTIN FRANK J·Filed 1984·Granted Sep 16, 1986·15 cites·17 claims
- 0352US7410195B1Two-part automatic bolt for doorsMARTIN FRANK J·Filed 2004·Granted Aug 12, 2008·10 cites·5 claims
- 0447US8276418B2Security cover plate with accentric mounting apertureMARTIN FRANK J·Filed 2007·Granted Oct 2, 2012·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when MARTIN FRANK J 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 →