Gerald L. Weispfenning

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Servo head with close servo transducer placement for improved passi...
- Patent number 5,471,354
- Issue date Nov 28, 1995
- Seagate Technology, Inc.
- John Bortins
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods of improved servo head passive noise cancellation by placem...
- Patent number 5,210,669
- Issue date May 11, 1993
- Seagate Technology, Inc.
- Gerald L. Weispfenning
- G11 - INFORMATION STORAGE
Information Patent Grant
Shielded servo heads with improved passive noise cancellation
- Patent number 5,198,948
- Issue date Mar 30, 1993
- Seagate Technology, Inc.
- Lance E. Stover
- G11 - INFORMATION STORAGE
Information Patent Grant
Sectored servo disk formatting
- Patent number 5,182,682
- Issue date Jan 26, 1993
- Seagate Technology, Inc.
- Gerald L. Weispfenning
- G11 - INFORMATION STORAGE
Information Patent Grant
Sectored servo position demodulator system
- Patent number 5,136,439
- Issue date Aug 4, 1992
- Seagate Technology, Inc.
- Gerald L. Weispfenning
- G11 - INFORMATION STORAGE
Information Patent Grant
Correlation of sectored servo position information
- Patent number 5,117,408
- Issue date May 26, 1992
- Seagate Technology, Inc.
- Gerald L. Weispfenning
- G11 - INFORMATION STORAGE