William A. Johnk — 1 Patent at Valleylab

William A. Johnk has been granted 1 US patent while listed as an inventor at Valleylab. All of these patents were granted in 1987. William A. Johnk ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William A. Johnk in Boulder, CO, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D287879	Electrosurgical handle	Charles Braxton, Alan Z. Puszman	1987-01-20

William A. Johnk — 1 Patent

Issued Patents All Time

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