Assignee
W & F MFG INC
US·22 granted patents·1 pending application·1,038 citations·filing 1976–2011
Top patents by PatentIndex Score
23 records- 0198US5290077AMultipoint door lock assemblyW & F MFG INC·Filed 1992·Granted Mar 1, 1994·171 cites·36 claims
- 0294US4480862ALatching and locking mechanism for sliding doorW & F MFG INC·Filed 1981·Granted Nov 6, 1984·86 cites·18 claims
- 0393US5542720AMultipoint lock assembly for a sliding doorW & F MFG INC·Filed 1995·Granted Aug 6, 1996·95 cites·16 claims
- 0493US5092144ADoor handle and lock assembly for sliding doorsW & F MFG INC·Filed 1990·Granted Mar 3, 1992·84 cites·43 claims
- 0592US5388875AMultipoint door lock assemblyW & F MFG INC·Filed 1994·Granted Feb 14, 1995·64 cites·10 claims
- 0690US5524942AMultipoint door lock assemblyW & F MFG INC·Filed 1995·Granted Jun 11, 1996·67 cites·8 claims
- 0790USD318214SDoor handle unitW & F MFG INC·Filed 1989·Granted Jul 16, 1991·31 cites·1 claims
- 0889US5373716AMultipoint lock assembly for a swinging doorW & F MFG INC·Filed 1992·Granted Dec 20, 1994·101 cites·42 claims
- 0985US4671089ADoor latch and deadbolt assemblyW & F MFG INC·Filed 1986·Granted Jun 9, 1987·47 cites·22 claims
- 1084USD318215SDoor handle unitW&F MFG INC·Filed 1989·Granted Jul 16, 1991·21 cites·1 claims
- 1183US4807914AWindow lock assemblyW & F MFG INC·Filed 1986·Granted Feb 28, 1989·56 cites·17 claims
- 1282US7753418B2Lever actuated door latch operatorW & F MFG INC·Filed 2006·Granted Jul 13, 2010·15 cites·17 claims
- 1380USD295829SCombined latch and deadbolt unitW & F MFG INC·Filed 1985·Granted May 24, 1988·20 cites·1 claims
- 1480US4534587ALatch assemblyW & F MFG INC·Filed 1983·Granted Aug 13, 1985·40 cites·35 claims
- 1578US4068874ARotary latch mechanism with locking deviceW & F MFG INC·Filed 1976·Granted Jan 17, 1978·35 cites·7 claims
- 1673USD319769SCombined door handle and deadbolt unitW & F MFG INC·Filed 1989·Granted Sep 10, 1991·14 cites·1 claims
- 1773USD297805SCombined latch and deadbolt unitW & F MFG INC·Filed 1985·Granted Sep 27, 1988·15 cites·1 claims
- 1868US4876866ADoor latch and deadbolt assemblyW & F MFG INC·Filed 1988·Granted Oct 31, 1989·29 cites·3 claims
- 1966USD324477SDoor handle unitW&F MFG INC·Filed 1991·Granted Mar 10, 1992·12 cites·1 claims
- 2065US4784417ADoor latch and deadbolt assemblyW & F MFG INC·Filed 1987·Granted Nov 15, 1988·21 cites·8 claims
- 2162USD318783SDoor handle unitW & F MFG INC·Filed 1989·Granted Aug 6, 1991·9 cites·1 claims
- 2249USD319961SCombined door handle and lock unitW&F MFG INC·Filed 1989·Granted Sep 17, 1991·5 cites·1 claims
- 2346US2011163553A1Multipoint lock extension for a round top doorW & F MFG INC·Filed 2011·Application pending·0 cites
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