John D. Hoogerwerf

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing recording heads for magnetic storage devices
- Patent number 5,523,539
- Issue date Jun 4, 1996
- Conner Peripherals, Inc.
- John Hoogerwerf
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for selective removal of material coating from a...
- Patent number 5,281,798
- Issue date Jan 25, 1994
- Maxwell Laboratories, Inc.
- Richard R. Hamm
- B44 - DECORATIVE ARTS
Information Patent Grant
Method and system for control of a material removal process using s...
- Patent number 5,204,517
- Issue date Apr 20, 1993
- Maxwell Laboratories, Inc.
- Michael C. Cates
- B44 - DECORATIVE ARTS