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Keith R. Ptak — 1 Patent in 2021

LOLord: 1 patents #4 of 20Top 20%

Erie, PA: #34 of 84 inventorsTop 45%

Pennsylvania: #2,483 of 7,685 inventorsTop 35%

Overall (2021): #375,205 of 548,734Top 70%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11009161	Flexible joint and method of manufacturing flexible joint	David C. Riggs	2021-05-18