Fred A. Plofchan

📍 River Rouge, MI: #4 of 5 inventorsTop 80%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,321,409 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4897572	Light tube with slidable electrodes	—	1990-01-30
4843521	Reflector with curved dual involute surfaces	—	1989-06-27