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Hal van Ryswyk — 1 Patent

3M: 1 patents #7,251 of 11,543Top 65%

Madison, WI: #2,823 of 4,527 inventorsTop 65%

Wisconsin: #23,997 of 40,088 inventorsTop 60%

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

1 Patents All Time

Hal van Ryswyk has been granted 1 US patent while listed as an inventor at 3M. All of these patents were granted in 1987. Hal van Ryswyk ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hal van Ryswyk in Madison, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4710476	Surface-derivatized semiconductors with chemically sensitive luminescence	Arthur B. Ellis	1987-12-01	$6,602,000

Hal van Ryswyk — 1 Patent

Issued Patents All Time

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