James J. Wulfing

Person

Stillwater, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Raised-region having sloped edges under cleaning fabric in flexible...
- Patent number 5,812,351
- Issue date Sep 22, 1998
- Imation Corp.
- James J. Wulfing
- G11 - INFORMATION STORAGE
Information Patent Grant
Write protect mechanism with spring element for data storage disket...
- Patent number 5,748,419
- Issue date May 5, 1998
- Imation Corp.
- Lee M. Langseth
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording disc cartridge having centrally-located, integral, raised...
- Patent number 5,640,298
- Issue date Jun 17, 1997
- Imation Corp.
- James J. Wulfing
- G11 - INFORMATION STORAGE
Information Patent Grant
Lanced shutter tab for disk cartridges
- Patent number 5,189,586
- Issue date Feb 23, 1993
- Minnesota Mining and Manufacturing Company
- Paul D. Rumpza
- G11 - INFORMATION STORAGE
Information Patent Grant
Videocassette tape spool having a wear button
- Patent number 4,752,046
- Issue date Jun 21, 1988
- Minnesota Mining and Manufacturing Company
- James J. Wulfing
- G11 - INFORMATION STORAGE
Information Patent Grant
Hinged visor-type door for tape cassette
- Patent number 4,527,755
- Issue date Jul 9, 1985
- Minnesota Mining and Manufacturing Company
- Robert M. Rood
- G11 - INFORMATION STORAGE
Information Patent Grant
Videocassette tape spool having a wear button
- Patent number 4,520,969
- Issue date Jun 4, 1985
- Minnesota Mining and Manufacturing Company
- James J. Wulfing
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape spool
- Patent number 4,515,323
- Issue date May 7, 1985
- Minnesota Mining and Manufacturing Company
- Robert M. Rood
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape roller for a tape cassette
- Patent number 4,515,330
- Issue date May 7, 1985
- Minnesota Mining and Manufacturing Company
- James J. Wulfing
- G11 - INFORMATION STORAGE
Information Patent Grant
Braking mechanism for cassette tape reel
- Patent number 4,472,753
- Issue date Sep 18, 1984
- Minnesota Mining and Manufacturing Company
- James J. Wulfing
- G11 - INFORMATION STORAGE

James J. Wulfing

Person

Patents Grantslast 30 patents

Raised-region having sloped edges under cleaning fabric in flexible...

Write protect mechanism with spring element for data storage disket...

Recording disc cartridge having centrally-located, integral, raised...

Lanced shutter tab for disk cartridges

Videocassette tape spool having a wear button

Hinged visor-type door for tape cassette

Videocassette tape spool having a wear button

Tape spool

Tape roller for a tape cassette

Braking mechanism for cassette tape reel