DM

David Thomas Mack

TG The Chamberlain Group: 3 patents #83 of 278Top 30%
Overall (All Time): #1,524,338 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9177430 Moveable barrier operator translation system and method James J. Fitzgibbon, Larry Strait, Robert R. Keller, Jr. 2015-11-03
7862209 Permanently installed light emitting elements for a barrier operator James J. Fitzgibbon, Keith Norman Johnson, Robert J. Olmsted 2011-01-04
7265508 Movable light for use with a movable barrier operator Mark L. Karasek, Robert R. Keller, Jr. 2007-09-04