Robert M. Ryanen

FW Federal-Mogul Worldwide: 1 patents #132 of 339Top 40%

📍 Coldwater, MI: #71 of 144 inventorsTop 50%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #4,096,273 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4288129	Bearing cage	—	1981-09-08