TF

Thomas M. Fredericks

WC Whelen Engineering Company: 5 patents #18 of 52Top 35%
WT Whelen Technologies: 2 patents #4 of 8Top 50%
Overall (All Time): #753,187 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7429917 LED aviation warning light with fault detection Kenneth Lemieux 2008-09-30
7118261 White position taillight for aircraft Todd J. Smith 2006-10-10
7079041 LED aircraft anticollision beacon Todd J. Smith 2006-07-18
6844808 Method and apparatus for detection of warning system breach Kenneth Lemieux 2005-01-18
6431728 Multi-array LED warning lights James L. Stopa 2002-08-13
5337082 Traffic management system 1994-08-09
5170162 Motion direction detection 1992-12-08