John S. Bruce

📍 Tilton on the Hill, GB: #2 of 2 inventorsTop 100%

Overall (All Time): #3,890,832 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5068963	Piston rings	—	1991-12-03