James A. Duff

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Omaha, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical connecting apparatus
- Patent number 5,030,906
- Issue date Jul 9, 1991
- Seagate Technology, Inc.
- James A. Duff
- G01 - MEASURING TESTING
Information Patent Grant
Cartridge receiver mechanism
- Patent number 4,412,260
- Issue date Oct 25, 1983
- Magnetic Peripherals Inc.
- John D. Stricklin
- G11 - INFORMATION STORAGE
Information Patent Grant
Handle assembly, top-load cartridge
- Patent number 4,336,631
- Issue date Jun 29, 1982
- Magnetic Peripherals, Inc.
- James A. Duff
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk memory module
- Patent number D257675
- Issue date Dec 23, 1980
- Magnetic Peripherals Inc.
- Paul N. Green
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Magnetic disc housing with means to prevent radial disc shift
- Patent number 4,194,228
- Issue date Mar 18, 1980
- Magnetic Peripherals Inc.
- James A. Duff
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc memory module dust shield
- Patent number 4,185,313
- Issue date Jan 22, 1980
- Magnetic Peripherals Inc.
- Paul N. Green
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc memory module with stackable dust shield
- Patent number 4,177,899
- Issue date Dec 11, 1979
- Magnetic Peripherals Inc.
- Paul N. Green
- G11 - INFORMATION STORAGE