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Greg De Haan — 1 Patent

JWJwi: 1 patents #29 of 59Top 50%
Zeeland, MI: #201 of 350 inventorsTop 60%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Greg De Haan has been granted 1 US patent while listed as an inventor at Jwi. All of these patents were granted in 1995. Greg De Haan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Greg De Haan in Zeeland, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5456022 Batch-type sludge drier David P. McLeod, David J. Spyker, Daniel De Haan, Wesley G. Koops, James E. Roelofs 1995-10-10

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