Inventor
GRUNZINGER RAYMOND E
US5 patents
⚠️ This page may combine multiple inventors who share the name “GRUNZINGER RAYMOND E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
4 patentsUS4808471AFeb 28, 1989
Flat transparent top coat for retroreflective sheeting
MINNESOTA MINING & MFG70 citations93
US5262225ANov 16, 1993
Embossable sign construction
MINNESOTA MINING & MFG52 citations91
US5256721AOct 26, 1993
Polymer composition for use as flexible dimensionally stable coating; and method
MINNESOTA MINING & MFG23 citations91
US5008142AApr 16, 1991
Embedded lens retroreflective sheeting with flexible, dimensionally stable coating
MINNESOTA MINING & MFG34 citations91