Robert R. Rositch

SP Sealed Power: 1 patents #8 of 16Top 50%

Overall (All Time): #4,082,802 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4247972	Method of manufacturing a piston ring	John L. Hendrixon	1981-02-03