Donald Harrold — 1 Patent

SESutton Engineering: 1 patents #3 of 5Top 60%

Pittsburgh, PA: #4,609 of 7,570 inventorsTop 65%

Pennsylvania: #43,533 of 74,527 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Donald Harrold has been granted 1 US patent while listed as an inventor at Sutton Engineering. All of these patents were granted in 1987. Donald Harrold ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Donald Harrold in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4651602	Method for shearing billets	Jeffrey P. Dziki	1987-03-24

Donald Harrold — 1 Patent

Issued Patents All Time

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