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Thomas I. Bradshaw
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Shoreview, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Line light source including fluorescent colorant
Patent number
5,700,077
Issue date
Dec 23, 1997
Minnesota Mining and Manufacturing Company
John F. Dreyer
G02 - OPTICS
Information
Patent Grant
Method for manufacturing improved data display retroreflective shee...
Patent number
5,670,005
Issue date
Sep 23, 1997
Minnesota Mining and Manufacturing Company
Thomas F. Look
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Integrated retroreflective electronic display
Patent number
5,621,571
Issue date
Apr 15, 1997
Minnesota Mining and Manufacturing Company
Heinrich Bantli
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Internally illuminated retroreflective sign
Patent number
4,952,023
Issue date
Aug 28, 1990
Minnesota Mining and Manufacturing Company
Thomas I. Bradshaw
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Sheet containing contour-dependent directional image and method for...
Patent number
4,714,656
Issue date
Dec 22, 1987
Minnesota Mining and Manufacturing Company
Thomas I. Bradshaw
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Microlens sheet containing directional half-tone images and method...
Patent number
4,708,920
Issue date
Nov 24, 1987
Minnesota Mining and Manufacturing Company
Bruce D. Orensteen
G02 - OPTICS
Information
Patent Grant
Transparent sheets containing directional images and method for for...
Patent number
4,691,993
Issue date
Sep 8, 1987
Minnesota Mining and Manufacturing Company
Gerald R. Porter
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Directionally imaged retroreflective sheeting
Patent number
4,650,283
Issue date
Mar 17, 1987
Minnesota Mining and Manufacturing Company
Bruce D. Orensteen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transparent sheet containing authenticating image and method of mak...
Patent number
4,645,301
Issue date
Feb 24, 1987
Minnesota Mining and Manufacturing Company
Bruce D. Orensteen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Directionally imaged sheeting
Patent number
4,634,220
Issue date
Jan 6, 1987
Minnesota Mining and Manufacturing Company
Eric N. Hockert
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Sheeting useful as a projection screen
Patent number
4,268,118
Issue date
May 19, 1981
Minnesota Mining and Manufacturing Company
Philip V. Palmquist
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reinforcing or sealing solid structures or for anchoring bolts ther...
Patent number
4,216,180
Issue date
Aug 5, 1980
Minnesota Mining and Manufacturing Company
Ronald W. Seemann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for reinforcing or sealing solid structures or for anchoring...
Patent number
4,153,156
Issue date
May 8, 1979
Minnesota Mining and Manufacturing Company
Ronald W. Seemann
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for monitoring vapor concentration at a phase int...
Patent number
4,063,452
Issue date
Dec 20, 1977
Minnesota Mining and Manufacturing Company
Thomas Ian Bradshaw
G01 - MEASURING TESTING