DS

Donald H. Stedman

CS Colorado Seminary: 2 patents #1 of 6Top 20%
EH Envirotest Systems Holdings: 1 patents #1 of 5Top 20%
SI Sievers Instruments: 1 patents #1 of 3Top 35%
📍 Ann Arbor, MI: #7 of 269 inventorsTop 3%
🗺 Michigan: #67 of 4,313 inventorsTop 2%
Overall (1994): #6,531 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5371367 Remote sensor device for monitoring motor vehicle exhaust systems John DiDomenico, James H. Johnson, Kenneth W. Michaels, Dennis L. Smith 1994-12-06
5330714 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds Richard D. Godec, Neil Johansen 1994-07-19
5319199 Apparatus for remote analysis of vehicle emissions Gary Bishop 1994-06-07
5310683 Process for simultaneous measurement of sulfur and non-sulfur containing compounds Richard D. Godec, Neil Johansen 1994-05-10