Inventor

KEECH ROBERT L

US3 patents

⚠️ This page may combine multiple inventors who share the name “KEECH ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINNESOTA MINING & MFG

2 patents

US5853846ADec 29, 1998

Conformable magnetic articles underlaid beneath traffic-bearing surfaces

MINNESOTA MINING & MFG96 citations96

US5593246AJan 14, 1997

Patterned chalk-resistant pavement marking and method of making

MINNESOTA MINING & MFG44 citations91

3M INNOVATIVE PROPERTIES CO

1 patent

US6468678B1Oct 22, 2002

Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use

3M INNOVATIVE PROPERTIES CO92 citations95