Roy E. Masters

📍 Saint Joseph, MI: #4 of 11 inventorsTop 40%

🗺 Michigan: #1,566 of 6,092 inventorsTop 30%

Overall (2004): #126,116 of 270,089Top 50%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6814045	Rotary internal combustion engine	—	2004-11-09