RJ

Robert R. Keller, Jr.

TG The Chamberlain Group: 37 patents #2 of 278Top 1%
📍 Paddy Lane, IL: #4 of 467 inventorsTop 1%
🗺 Illinois: #1,410 of 84,256 inventorsTop 2%
Overall (All Time): #89,374 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
7610030 Wireless transmit-only apparatus and method James J. Fitzgibbon, Bernard J. Wojciak, Jr. 2009-10-27
7589615 Multi-frequency security code transmission and reception Keith Norman Johnson, Robert C. Markwart 2009-09-15
7432676 Barrier movement operator having obstruction detection Colin B. Willmott 2008-10-07
7405530 Method and apparatus for automatically establishing control values for a control device 2008-07-29
7265508 Movable light for use with a movable barrier operator Mark L. Karasek, David Thomas Mack 2007-09-04
7205735 Barrier movement operator having obstruction detection Colin B. Willmott 2007-04-17
7181174 Wireless transmit-only apparatus and method James J. Fitzgibbon, Bernard J. Wojiak 2007-02-20
7174137 Wireless transmit-only apparatus and method James J. Fitzgibbon, Bernard J. Wojiak 2007-02-06
7132813 System and method for adapting to barrier nuisances and obstructions Eric Gregori, Robert S. Study III, Colin B. Willmott 2006-11-07
7119509 System and method for automatically requiring secondary safety sensors Colin B. Willmott 2006-10-10
7042183 Barrier movement operator speed control James J. Fitzgibbon, Edward Laird 2006-05-09
7019478 Movable barrier operator auto-force setting method and apparatus Eric Gregori, Matthew C. Stephan, James J. Fitzgibbon, Carlos Jurado, Colin B. Willmott 2006-03-28