John H. Keyes

📍 Nederland, CO: #72 of 124 inventorsTop 60%

🗺 Colorado: #24,093 of 40,980 inventorsTop 60%

Overall (All Time): #4,114,309 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4208921	Flywheel energy accumulator	—	1980-06-24