Inventor
GRIMSTAD RONALD N
US8 patents
⚠️ This page may combine multiple inventors who share the name “GRIMSTAD RONALD N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOHLER CO
5 patentsUS4757560AJul 19, 1988
Toilet tank gasket
KOHLER CO44 citations91
US4729134AMar 8, 1988
Toilet covering hinge assembly
KOHLER CO37 citations91
US4433446AFeb 28, 1984
Flush valve attachment system
KOHLER CO22 citations80
US4878255ANov 7, 1989
Adjustable hinge assembly
KOHLER CO14 citations72
US4688274AAug 25, 1987
Toilet covering hinge assembly
KOHLER CO11 citations72