Patents/Inventors

Perry W. Knutson

Lancaster, WIUS2 patents

2 Patents

US120067672024
Apparatus and Methods for Door Curtain Breakaway Detection
RITE-HITE HOLDING CORPORATION
0 cites
US117087222023
Apparatus and Methods for Door Curtain Breakaway Detection
RITE-HITE HOLDING CORPORATION
0 cites