John E. Silvis — 8 Patents at Ranpak

John E. Silvis has been granted 8 US patents while listed as an inventor at Ranpak. The first was granted in 1984 and the most recent in June 2000. John E. Silvis ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John E. Silvis in Fayetteville, AR, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6077209	Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine	Steven E. Armington, Richard O. Ratzel, Walter J. Brugge, William J. Dobson	2000-06-20
5658229	Downsized cushioning dumnage conversion machine and cutting assemblies for use on such a machine	Steven E. Armington, Richard O. Ratzel, Walter J. Brugge, William J. Dobson	1997-08-19
5468208	Downsized cushioning dunnage conversion machine and packaging systems employing the same	Steven E. Armington	1995-11-21
5322477	Downsized cushioning dunnage conversion machine and packaging systems employing the same	Steven E. Armington, Richard O. Ratzel, Walter J. Brugge, William J. Dobson	1994-06-21
5123889	Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine	Steven E. Armington, Richard O. Ratzel, Walter J. Brugge, William J. Dobson	1992-06-23
4968291	Stitching gear assembly having perforating projections thereon, for use in converter adapted to produce pad-like cushioning material, and method	Bruno H. Baldacci	1990-11-06
4937131	Cushioning dunnage pad with stitching perforations	Bruno H. Baldacci	1990-06-26
4460167	Leaf spring end mounting structure	William W. Fant	1984-07-17	$2,591,000

John E. Silvis — 8 Patents

Issued Patents All Time

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