DM

David A. Martinchek

General Motors: 3 patents #302 of 2,119Top 15%
📍 Spencerport, NY: #4 of 19 inventorsTop 25%
🗺 New York: #1,740 of 13,137 inventorsTop 15%
Overall (2019): #93,451 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10396370 Passive tortuous path drain Robert Thompson 2019-08-27
10297802 Fuel cell stack sealing methods, apparatus, and systems 2019-05-21
10270120 Fuel cell stack assembly-compression system Martin Heinzmann 2019-04-23