Derris Cottrell — 1 Patent at Nrm

Derris Cottrell has been granted 1 US patent while listed as an inventor at Nrm. All of these patents were granted in 1993. Derris Cottrell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Derris Cottrell in Rootstown, OH, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5225216	Mold opening apparatus for blow molding machine	Dominic A. Barracchini, Thomas D. Cleland	1993-07-06

Derris Cottrell — 1 Patent

Issued Patents All Time

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