Donald L. Van Zeeland

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Franklin, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Inductive proximity switch exhibiting magnetic field immunity
- Patent number 5,034,621
- Issue date Jul 23, 1991
- Eaton Corporation
- John P. Groves
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Universal field convertible 3-wire switch
- Patent number 4,482,818
- Issue date Nov 13, 1984
- Eaton Corporation
- Lawrence J. Ryczek
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D.C. Switch circuit
- Patent number 4,329,730
- Issue date May 11, 1982
- Eaton Corporation
- Lawrence J. Ryczek
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground fault interrupter
- Patent number 4,216,515
- Issue date Aug 5, 1980
- Eaton Corporation
- Donald L. Van Zeeland
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Terminal convertible alternating current switch
- Patent number 4,199,694
- Issue date Apr 22, 1980
- Eaton Corporation
- Donald L. Van Zeeland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modular IC on-delay timer
- Patent number 4,079,267
- Issue date Mar 14, 1978
- Cutler-Hammer, Inc.
- Lawrence J. Ryczek
- H03 - BASIC ELECTRONIC CIRCUITRY