DB

Donald W. Bilsbarrow

EH Envirotest Systems Holdings: 1 patents #15 of 33Top 50%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
📍 Tucson, AZ: #1,845 of 6,004 inventorsTop 35%
🗺 Arizona: #10,057 of 32,909 inventorsTop 35%
Overall (All Time): #1,638,433 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5739413 Forced dilution system and method for emissions measurement systems Bruce R. Kohn, Pradeep R. Tripathi 1998-04-14
5193386 Tapered roller dynamometer Jack E. Hesse, Jr. 1993-03-16
4893242 Vehicle brake test system John Rogers, James M. Lady, Rene S. Trujillo 1990-01-09