Robert A. Muehlhausen

Person

Marine, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus operable as a viewer or image scanner
- Patent number 5,084,756
- Issue date Jan 28, 1992
- Minnesota Mining and Manufacturing Company
- Robert A. Muehlhausen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Disk locking mechanism for disk cartridge
- Patent number 4,943,880
- Issue date Jul 24, 1990
- Minnesota Mining and Manufacturing Company
- Robert A. Muehlhausen
- G11 - INFORMATION STORAGE
Information Patent Grant
Shutter spring for disk cartridge
- Patent number 4,935,834
- Issue date Jun 19, 1990
- Minnesota Mining and Manufacturing Company
- Robert A. Muehlhausen
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrophotographic copying apparatus and process
- Patent number 4,657,371
- Issue date Apr 14, 1987
- Minnesota Mining and Manufacturing Company
- James F. Sobieski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying apparatus and process
- Patent number 4,652,114
- Issue date Mar 24, 1987
- Minnesota Mining and Manufacturing Company
- James F. Sobieski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copying apparatus and process
- Patent number 4,616,922
- Issue date Oct 14, 1986
- Minnesota Mining and Manufacturing Company
- James F. Sobieski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mirror scanner synchronized with moving folded document plane
- Patent number 4,299,480
- Issue date Nov 10, 1981
- Minnesota Mining and Manufacturing Company
- David C. Gilkeson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Robert A. Muehlhausen

Person

Patents Grantslast 30 patents

Apparatus operable as a viewer or image scanner

Disk locking mechanism for disk cartridge

Shutter spring for disk cartridge

Electrophotographic copying apparatus and process

Electrophotographic copying apparatus and process

Electrophotographic copying apparatus and process

Mirror scanner synchronized with moving folded document plane