DD

Douglas A. Donaldson

IS I-O Display Systems: 2 patents #5 of 17Top 30%
General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Bloomfield Hills, MI: #393 of 1,072 inventorsTop 40%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,615,295 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10387732 Method and apparatus for position error detection Praneeth Nelapati, Curtis L. Hay 2019-08-20
6369952 Head-mounted personal visual display apparatus with image generator and holder Richard D. Rallison, C. Gregory Amadon, Wolfgang A. Mack, Leo Nikora, Eric Yeh-Wei Tseo +1 more 2002-04-09
5991085 Head-mounted personal visual display apparatus with image generator and holder Richard D. Rallison, C. Gregory Amadon, Wolfgang A. Mack, Leo Nikora, Eric Yeh-Wei Tseo +1 more 1999-11-23