Inventor
SCHNARR RAYMOND H
6 patents
Patents
6 patentsUS4414703ANov 15, 1983
Door closer and holder
SCHLAGE LOCK CO37 citations91
US4040144AAug 9, 1977
Door assister
SCHLAGE LOCK CO36 citations90
US4102005AJul 25, 1978
Door closer arm
SCHLAGE LOCK CO37 citations86
US5857290AJan 12, 1999
Checking device for roller supported doors
SCHLAGE LOCK CO17 citations82
US4040143AAug 9, 1977
Releasable door hold-open device
SCHLAGE LOCK CO30 citations81
US5864986AFeb 2, 1999
Checking device for roller supported doors
SCHLAGE LOCK CO9 citations71