GS

Graydon Aubrey Shepherd

Overall (All Time): #2,109,537 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7980208 Reciprocating engine 2011-07-19
7810458 Reciprocating sleeve engine 2010-10-12