Inventor
KAMPFER ROBERT D
US14 patents
⚠️ This page may combine multiple inventors who share the name “KAMPFER ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
8 patentsUS6000106ADec 14, 1999
Superimposed embossing of capped stem mechanical fastener structures
3M INNOVATIVE PROPERTIES CO93 citations98
US6132660AOct 17, 2000
Method for forming headed stem mechanical fasteners
3M INNOVATIVE PROPERTIES CO150 citations97
US6592800B1Jul 15, 2003
Apparatus and method for making a mechanical fastener
3M INNOVATIVE PROPERTIES CO68 citations95
US6489003B1Dec 3, 2002
Elastic fastener
3M INNOVATIVE PROPERTIES CO63 citations95
US6902389B2Jun 7, 2005
Wire wound tooling
3M INNOVATIVE PROPERTIES CO17 citations92
USD505064SMay 17, 2005
Bundling strap
3M INNOVATIVE PROPERTIES CO29 citations92
USD500671SJan 11, 2005
Self-engaging bundling strap provided with machine readable code
3M INNOVATIVE PROPERTIES CO18 citations92
US7052639B2May 30, 2006
Wire wound tooling
3M INNOVATIVE PROPERTIES CO2 citations62
MINNESOTA MINING & MFG
4 patentsUS5556826ASep 17, 1996
Laser perforation of paper
MINNESOTA MINING & MFG27 citations92
US4563565AJan 7, 1986
Method for forming a peripheral edge on contact lenses
MINNESOTA MINING & MFG116 citations91
US4138211AFeb 6, 1979
Thermomechanical candle snuffer
MINNESOTA MINING & MFG36 citations91
US5444035AAug 22, 1995
Laser perforation of paper
MINNESOTA MINING & MFG16 citations81