Inventor
ORENSTEEN BRUCE D
US21 patents
⚠️ This page may combine multiple inventors who share the name “ORENSTEEN BRUCE D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
10 patentsUS4708920ANov 24, 1987
Microlens sheet containing directional half-tone images and method for making the same
MINNESOTA MINING & MFG73 citations96
US4650283AMar 17, 1987
Directionally imaged retroreflective sheeting
MINNESOTA MINING & MFG60 citations96
US4645301AFeb 24, 1987
Transparent sheet containing authenticating image and method of making same
MINNESOTA MINING & MFG98 citations96
US5508105AApr 16, 1996
Thermal print receptive and frangible retrorefelective polymeric sheetings
MINNESOTA MINING & MFG82 citations95
US4634220AJan 6, 1987
Directionally imaged sheeting
MINNESOTA MINING & MFG130 citations95
US4714656ADec 22, 1987
Sheet containing contour-dependent directional image and method for forming the same
MINNESOTA MINING & MFG51 citations91
US5706133AJan 6, 1998
Retroreflective signage articles, kits for producing same, and methods of making signage articles
MINNESOTA MINING & MFG48 citations90
US5670005ASep 23, 1997
Method for manufacturing improved data display retroreflective sheeting
MINNESOTA MINING & MFG35 citations90
US5700077ADec 23, 1997
Line light source including fluorescent colorant
MINNESOTA MINING & MFG19 citations84
US5634670AJun 3, 1997
Validation sticker mounting system and components for use therein
MINNESOTA MINING & MFG17 citations72
3M INNOVATIVE PROPERTIES CO
7 patentsUS5940212AAug 17, 1999
Cube corner article with altered inactive areas and method of making same
3M INNOVATIVE PROPERTIES CO52 citations92
US9964674B2May 8, 2018
Retroreflective articles including a security mark
3M INNOVATIVE PROPERTIES CO3 citations73
US9823394B2Nov 21, 2017
Retroreflective articles including a security mark
3M INNOVATIVE PROPERTIES CO2 citations73
US10564331B2Feb 18, 2020
Cube corner sheeting having optically variable marking
3M INNOVATIVE PROPERTIES CO1 citations71
US11105964B2Aug 31, 2021
Cube corner sheeting having optically variable marking
3M INNOVATIVE PROPERTIES CO0 citations61
US10627552B2Apr 21, 2020
Retroreflective articles including a security mark
3M INNOVATIVE PROPERTIES CO0 citations52
US10509148B2Dec 17, 2019
Irradiation marking of retroreflective sheeting
3M INNOVATIVE PROPERTIES CO0 citations48