RK

Robert D. Kampfer

3M: 13 patents #1,195 of 11,543Top 15%
Overall (All Time): #388,380 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7052639 Wire wound tooling Michael R. Gorman, Thomas R. LaLiberte 2006-05-30
6902389 Wire wound tooling Michael R. Gorman, Thomas R. LaLiberte 2005-06-07
D505064 Bundling strap 2005-05-17
D500671 Self-engaging bundling strap provided with machine readable code Michael W. Mills 2005-01-11
6592800 Apparatus and method for making a mechanical fastener Leon Levitt, James J. Kobe, Brian T. Hargrett, Cathleen M. Arsenault 2003-07-15
6489003 Elastic fastener Leon Levitt, Michael D. Delmore, Stephen E. Krampe, Brandon T. Berg, Alan J. Sipinen +2 more 2002-12-03
6132660 Method for forming headed stem mechanical fasteners 2000-10-17
6106922 Coextruded mechanical fastener constructions John E. Cejka, Mark R. Dupre, Jeffrey O. Emslander, William H. Hartt, Francis V. Loncar, Jr. +8 more 2000-08-22
6000106 Superimposed embossing of capped stem mechanical fastener structures Philip Miller 1999-12-14
5868987 Superimposed embossing of capped stem mechanical fastener structures Philip Miller 1999-02-09
5556826 Laser perforation of paper Kenneth J. Perrington 1996-09-17
5444035 Laser perforation of paper Kenneth J. Perrington 1995-08-22
4563565 Method for forming a peripheral edge on contact lenses Randall S. Blum 1986-01-07