Karl P. Schaefer — 13 Patents at Quadtech

Karl P. Schaefer has been granted 13 US patents while listed as an inventor at Quadtech. The first was granted in 1985 and the most recent in June 2003. Karl P. Schaefer ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Karl P. Schaefer in Brookfield, WI, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6572097	Apparatus for slowing down and guiding a signature and method for doing the same	Ingermar S. d'Agrella, Eric L. Kuhne, Gary J. Laatsch, John M. Neary	2003-06-03
6572098	Sheet diverter for collating signatures and a method thereof	Ingermar S. d'Agrella, Eric L. Kuhne	2003-06-03
6464218	Delivery apparatus for a printing press	John M. Neary, Nick R. Schetter	2002-10-15
6419219	Signature delivery apparatus including two rotating buckets	Ingermar S. d'Agrella, Richard J. Fox	2002-07-16
6394445	Apparatus for slowing down and guiding a signature and method for doing the same	Ingermar S. d'Agrella, Eric L. Kuhne, Gary J. Laatsch, John M. Neary	2002-05-28
6302392	Sheet diverter for collating signatures and a method thereof	Ingermar S. d'Agrella, Eric L. Kuhne	2001-10-16
6254093	Sheet diverter wedge including air discharge ports	Ingermar S. d'Agrella	2001-07-03
6247692	Signature delivery apparatus including two rotating buckets	Ingermar S. d'Agrella, Richard J. Fox	2001-06-19
6244593	Sheet diverter with non-uniform drive for signature collation and method thereof	Ingermar S. d'Agrella	2001-06-12
6231044	Delivery apparatus for a printing press	John M. Neary, Nick R. Schetter	2001-05-15
6131903	Signature stripping mechanism	Ingermar S. d'Agrella, John M. Neary, Richard J. Fox	2000-10-17
6116595	Sheet diverter wedge including air discharge ports	Ingermar S. d'Agrella	2000-09-12
4500223	Carrier for hinged support of pages	Gerald T. Downing	1985-02-19	$625,000

Karl P. Schaefer — 13 Patents

Issued Patents All Time

Patent Widget