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David Pena — 1 Patent in 2021

Elk City, OK: #1 of 3 inventorsTop 35%

Oklahoma: #307 of 1,049 inventorsTop 30%

Overall (2021): #480,686 of 548,734Top 90%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11066919	Method and apparatus for measuring wear on sucker rod guides	Eric M. Wallace, Albert Munsinger	2021-07-20