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Stephen W. Mohn
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St. Paul, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Photographic color image using black and while emulsion
Patent number
11,467,483
Issue date
Oct 11, 2022
Penumbra Foundation
Eric Rosenthal
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of making retroreflective sheeting and slot die apparatus
Patent number
7,410,604
Issue date
Aug 12, 2008
3M Innovative Properties Company
Stanley C. Erickson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of making retroreflective sheeting and slot die apparatus
Patent number
7,364,421
Issue date
Apr 29, 2008
3M Innovative Properties Comapny
Stanley C. Erickson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, 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
Coating die with slot thickness control
Patent number
5,587,184
Issue date
Dec 24, 1996
Minnesota Mining and Manufacturing
William K. Leonard
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of thickness control for dies
Patent number
5,464,577
Issue date
Nov 7, 1995
Minnesota Mining and Manufacturing Company
William K. Leonard
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Roll gap controller for regulating coating thickness
Patent number
5,409,732
Issue date
Apr 25, 1995
Minnesota Mining and Manufacturing Company
William K. Leonard
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Patents Applications
last 30 patents
Information
Patent Application
PHOTOGRAPHIC COLOR IMAGE USING BLACK AND WHITE EMULSION
Publication number
20240126159
Publication date
Apr 18, 2024
Penumbra Foundation
Eric Rosenthal
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method of making retroreflective sheeting and slot die apparatus
Publication number
20060134259
Publication date
Jun 22, 2006
3M Innovative Properties Company
Stanley C. Erickson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method of making retroreflective sheeting and slot die apparatus
Publication number
20040173920
Publication date
Sep 9, 2004
3M Innovative Properties Company
Stanley C. Erickson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL