Inventor · disambiguated record
John C. Greko
Also filed as: GREKO JOHN C
4 granted patents·184 citations·filing 1985–1989
81Inventor score
Files withDURO LAST ROOFING INC4
Top patents by PatentIndex Score
4 records- 0184US4909135ARoof vent structure for plastic membrane roofsDURO LAST ROOFING INC·Filed 1989·Granted Mar 20, 1990·64 cites·15 claims
- 0280US4652321AMethods of forming polymer coated fabric roof vent pipe enclosures in flexible roof covering membranesDURO LAST ROOFING INC·Filed 1985·Granted Mar 24, 1987·48 cites·18 claims
- 0369US4848045ARoof edge structures incorporated with single-ply polymer-coated fabric roof structures, and methods of making and assembling themDURO LAST ROOFING INC·Filed 1988·Granted Jul 18, 1989·44 cites·15 claims
- 0464US4963219AMethod of making and assembling roof edge structures incorporated with single-ply polymer-coated fabric roof structuresDURO LAST ROOFING INC·Filed 1989·Granted Oct 16, 1990·28 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when John C. Greko 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 →