Assignee
LAWRENCE BROTHERS
26 granted patents·716 citations·filing 1974–1996
Top patents by PatentIndex Score
26 records- 0191US5713105AAdjustable hingeLAWRENCE BROTHERS·Filed 1996·Granted Feb 3, 1998·93 cites·25 claims
- 0290US4116514ASecurity hingeLAWRENCE BROTHERS·Filed 1977·Granted Sep 26, 1978·66 cites·21 claims
- 0386US4513554ABarn door framing systemLAWRENCE BROTHERS·Filed 1982·Granted Apr 30, 1985·56 cites·9 claims
- 0481US4288887AFrame corner connectorLAWRENCE BROTHERS·Filed 1979·Granted Sep 15, 1981·44 cites·13 claims
- 0581US4193245ADoor frame constructionLAWRENCE BROTHERS·Filed 1978·Granted Mar 18, 1980·41 cites·12 claims
- 0680US4045065AReleasable door stop and strike plate assembly for a bidirectional swinging doorLAWRENCE BROTHERS·Filed 1975·Granted Aug 30, 1977·30 cites·8 claims
- 0775US4168409ASecurity hinge with sealed switch and operator concealed thereinLAWRENCE BROTHERS·Filed 1978·Granted Sep 18, 1979·32 cites·22 claims
- 0874US4513555ABarn door framing systemLAWRENCE BROTHERS·Filed 1982·Granted Apr 30, 1985·27 cites·7 claims
- 0974US4339845ASpring hingeLAWRENCE BROTHERS·Filed 1978·Granted Jul 20, 1982·31 cites·11 claims
- 1072US4049934ASecurity hinge having adjustable cam operator and reciprocable cam follower actuated switchLAWRENCE BROTHERS·Filed 1976·Granted Sep 20, 1977·30 cites·12 claims
- 1170US3932913APivot assemblyLAWRENCE BROTHERS·Filed 1975·Granted Jan 20, 1976·25 cites·5 claims
- 1268US4216986AReleasable door stop assemblyLAWRENCE BROTHERS·Filed 1978·Granted Aug 12, 1980·32 cites·5 claims
- 1365US4097959ALoad supporting hinge structureLAWRENCE BROTHERS·Filed 1977·Granted Jul 4, 1978·17 cites·8 claims
- 1464US4109346APivot and support mounting assemblyLAWRENCE BROTHERS·Filed 1977·Granted Aug 29, 1978·23 cites·13 claims
- 1563US4295514ABifold door hinge assemblyLAWRENCE BROTHERS·Filed 1979·Granted Oct 20, 1981·20 cites·4 claims
- 1662US4513535ABarn door framing systemLAWRENCE BROTHERS·Filed 1982·Granted Apr 30, 1985·27 cites·2 claims
- 1762US4000540ASpring loaded, adjustable walking door hingeLAWRENCE BROTHERS·Filed 1976·Granted Jan 4, 1977·22 cites·29 claims
- 1862US3946460AReleasable door stop and strike plate assembly for a bidirectional swinging doorLAWRENCE BROTHERS·Filed 1974·Granted Mar 30, 1976·17 cites·8 claims
- 1961US4359804ALoad supporting hinge structure with concealed angular bearingLAWRENCE BROTHERS·Filed 1978·Granted Nov 23, 1982·17 cites·7 claims
- 2060US4552094AHorse stall constructionLAWRENCE BROTHERS·Filed 1983·Granted Nov 12, 1985·18 cites·7 claims
- 2158US4102013ATamper-proof spring hingeLAWRENCE BROTHERS·Filed 1976·Granted Jul 25, 1978·16 cites·10 claims
- 2245USD305403SCombined rescue door stop and striker plateLAWRENCE BROTHERS·Filed 1987·Granted Jan 9, 1990·4 cites·1 claims
- 2344US4141123AMethod of manufacturing a spring hingeLAWRENCE BROTHERS·Filed 1977·Granted Feb 27, 1979·9 cites·4 claims
- 2437US4538323ABearing supported truck assembly for sliding doorLAWRENCE BROTHERS·Filed 1983·Granted Sep 3, 1985·7 cites·3 claims
- 2536US4059162ADrilling unit for stadium seatsLAWRENCE BROTHERS·Filed 1976·Granted Nov 22, 1977·8 cites·17 claims
- 2635US4340246ALatch assemblyLAWRENCE BROTHERS·Filed 1980·Granted Jul 20, 1982·4 cites·6 claims
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