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Rickey Graham

Bruceville, TX: #1 of 1 inventorsTop 100%

Texas: #432 of 2,272 inventorsTop 20%

Overall (1982): #36,645 of 81,411Top 50%

1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4313497	Pressure control valve	—	1982-02-02