Inventor
FREY CHERYL M
US14 patents
⚠️ This page may combine multiple inventors who share the name “FREY CHERYL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
9 patentsUS5691846ANov 25, 1997
Ultra-flexible retroreflective cube corner composite sheetings and methods of manufacture
MINNESOTA MINING & MFG479 citations99
US5840405ANov 24, 1998
Glittering cube-corner retroreflective sheeting
MINNESOTA MINING & MFG96 citations97
US5770124AJun 23, 1998
Method of making glittering cube-corner retroreflective sheeting
MINNESOTA MINING & MFG96 citations97
US5763049AJun 9, 1998
Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same
MINNESOTA MINING & MFG111 citations97
US5754338AMay 19, 1998
Structured retroreflective sheeting having a rivet-like connection
MINNESOTA MINING & MFG101 citations97
US5910858AJun 8, 1999
Retroreflective sheeting with coated back surface
MINNESOTA MINING & MFG53 citations96
US5882796AMar 16, 1999
Bonded structured retroreflective sheeting
MINNESOTA MINING & MFG84 citations96
US5784197AJul 21, 1998
Ultra-flexible retroreflective sheeting with coated back surface
MINNESOTA MINING & MFG91 citations96
US5814355ASep 29, 1998
Mold for producing glittering cube-corner retroreflective sheeting
MINNESOTA MINING & MFG61 citations95
3M INNOVATIVE PROPERTIES CO
4 patentsUS5936770AAug 10, 1999
Dual orientation retroreflective sheeting
3M INNOVATIVE PROPERTIES CO141 citations98
US5948488ASep 7, 1999
Glittering cube-corner article
3M INNOVATIVE PROPERTIES CO106 citations97
US6280822B1Aug 28, 2001
Cube corner cavity based retroeflectors with transparent fill material
3M INNOVATIVE PROPERTIES CO64 citations96
US7452588B2Nov 18, 2008
Cube corner cavity based retroreflectors with transparent fill material
3M INNOVATIVE PROPERTIES CO2 citations63