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Richard H. Porterfield

HEHe&M: 1 patents #2 of 3Top 70%
Pryor Creek, OK: #1 of 1 inventorsTop 100%
Oklahoma: #177 of 727 inventorsTop 25%
Overall (1994): #77,902 of 165,921Top 50%
1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5353910 Shuttle vise assembly for a feed table apparatus Gerald R. Harris 1994-10-11

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