Patrick Michael McCaffrey

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Rochester, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Powder for disks
- Patent number 7,201,639
- Issue date Apr 10, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Patrick Michael McCaffrey
- B24 - GRINDING POLISHING
Information Patent Grant
Thin film transducer
- Patent number 4,593,334
- Issue date Jun 3, 1986
- International Business Machines Corporation
- Nathaniel C. Anderson
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film techniques for fabricating narrow track ferrite heads
- Patent number 4,375,390
- Issue date Mar 1, 1983
- Nathaniel C. Anderson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for forming thick self-supporting masks
- Patent number 4,080,267
- Issue date Mar 21, 1978
- International Business Machines Corporation
- Eugene E. Castellani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for treating magnetic alloy to increase the magnetic permeab...
- Patent number 4,003,768
- Issue date Jan 18, 1977
- International Business Machines Corporation
- Ronald L. Anderson
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Powder for disks
- Publication number 20030092362
- Publication date May 15, 2003
- International Business Machines Corporation
- Patrick Michael McCaffrey
- B24 - GRINDING POLISHING