MG

Marion V. Gwyn

📍 Chesterfield Township, MI: #158 of 547 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,681,739 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4459992 Arterial pulse rate monitor and stress warning device — 1984-07-17
4450400 Battery replacement system for electric vehicles — 1984-05-22
4397422 Full spectrum selective color producing and spraying device — 1983-08-09