DW

David C. Van Wyngaarden

Xerox: 5 patents #2,266 of 8,622Top 30%
📍 Toronto, CA: #1,652 of 9,482 inventorsTop 20%
Overall (All Time): #1,031,081 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7437120 Optical sensor for monitoring motion of a blank sheet Raymond Ruthenberg, Mark Muzzin, John Joseph WOJTKOWICZ, Karen Lee, Michel Loiselle 2008-10-14
7293766 Compact booklet maker Raymond Ruthenberg 2007-11-13
7128118 Automated sheet folder or booklet maker which applies sticker closures William E. Kramer 2006-10-31
6981938 Booklet maker with crease rolls having a slip clutch Raymond Ruthenberg, Joseph M. McNamara, Steven K. Siu 2006-01-03
6939283 Booklet maker with flexible gate upstream of crease rolls Mark Sparano 2005-09-06