Individual holder
ALLEN MARK L
US·9 granted patents·224 citations·filing 1983–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
9 records- 0183US4708004ABicycle lockALLEN MARK L·Filed 1987·Granted Nov 24, 1987·41 cites·6 claims
- 0277US4697441AHandcuffsALLEN MARK L·Filed 1986·Granted Oct 6, 1987·33 cites·4 claims
- 0377US4547009AStrike plate and hinge for a high security door systemALLEN MARK L·Filed 1983·Granted Oct 15, 1985·36 cites·3 claims
- 0468US4679418AHigh security cylinder lockALLEN MARK L·Filed 1986·Granted Jul 14, 1987·30 cites·4 claims
- 0563US4593546AHigh security cylinder operated deadbolt lockALLEN MARK L·Filed 1984·Granted Jun 10, 1986·22 cites·1 claims
- 0660US4809400ASecurity hardware for doorsALLEN MARK L·Filed 1988·Granted Mar 7, 1989·24 cites·7 claims
- 0753US4754629ASafe relocking systemALLEN MARK L·Filed 1987·Granted Jul 5, 1988·17 cites·9 claims
- 0844US4656691ADoor hinge with pin member for engaging wall structureALLEN MARK L·Filed 1985·Granted Apr 14, 1987·13 cites·1 claims
- 0936US4771506ASecurity device for hinge side of a doorALLEN MARK L·Filed 1987·Granted Sep 20, 1988·8 cites·16 claims
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