Assignee
NORTH AMERICAN ROOFING
US·4 granted patents·96 citations·filing 1986–1990
Technology mixE04D4
Top patents by PatentIndex Score
4 records- 0175US4658558AApparatus for attaching roofing membrane to a structureNORTH AMERICAN ROOFING·Filed 1986·Granted Apr 21, 1987·46 cites·20 claims
- 0257US4999963AApparatus for attaching roofing membrane to a structureNORTH AMERICAN ROOFING·Filed 1990·Granted Mar 19, 1991·36 cites·10 claims
- 0334US4777775AApparatus for attaching roofing membrane to a structureNORTH AMERICAN ROOFING·Filed 1987·Granted Oct 18, 1988·9 cites·10 claims
- 0429US4825613ANon rotatable apparatus for securing roofing insulation blocks and an outer membraneNORTH AMERICAN ROOFING·Filed 1987·Granted May 2, 1989·5 cites·22 claims
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