James E. Roelofs — 1 Patent at Jwi

James E. Roelofs has been granted 1 US patent while listed as an inventor at Jwi. All of these patents were granted in 1995. James E. Roelofs ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list James E. Roelofs in Zeeland, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5456022	Batch-type sludge drier	David P. McLeod, David J. Spyker, Daniel De Haan, Greg De Haan, Wesley G. Koops	1995-10-10

James E. Roelofs — 1 Patent

Issued Patents All Time

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