DC

Donald Richard Callentine

TG The Chamberlain Group: 3 patents #83 of 278Top 30%
📍 Plainfield, IL: #144 of 459 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,541,084 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8618907 Method and apparatus for coding identification information into a security transmission and method and apparatus for automatic learning of replacement security codes James J. Fitzgibbon, Eric Templeton 2013-12-31
8413297 Apparatus and method pertaining to a pivoting barrier Anthony Thomas Iacovetti 2013-04-09
7525265 Drive motor reversal for a barrier operator or the like Thomas Jason Jankovsky 2009-04-28