Inventor
CALLENTINE DONALD RICHARD
US2 patents
Patents
2 patentsUS8618907B2Dec 31, 2013
Method and apparatus for coding identification information into a security transmission and method and apparatus for automatic learning of replacement security codes
CALLENTINE DONALD RICHARD0 citations22
US8413297B2Apr 9, 2013
Apparatus and method pertaining to a pivoting barrier
CALLENTINE DONALD RICHARD0 citations17