Inventor · disambiguated record
Irving L. Mark
Also filed as: MARK IRVING L
4 granted patents·35 citations·filing 1977–1987
74Inventor score
Technology areasA61H
Top patents by PatentIndex Score
4 records- 0178USD256744SChairMARK IRVING L·Filed 1977·Granted Sep 9, 1980·19 cites·1 claims
- 0232USD291764SSteak knifeTIP TOP CORP·Filed 1985·Granted Sep 8, 1987·3 cites·1 claims
- 0329US4852597ACrutch designMEDLINE IND INC·Filed 1987·Granted Aug 1, 1989·12 cites·12 claims
- 0426USD254119SPortable grillMARK DESIGN LTD·Filed 1977·Granted Feb 5, 1980·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Irving L. Mark 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 →