Douglas B. Hill

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Power operator for switchgear with manual features
- Patent number 6,025,657
- Issue date Feb 15, 2000
- S&C Electric Company
- Steve Chung-Bun Lo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power operator for switchgear with manual features
- Patent number 5,895,987
- Issue date Apr 20, 1999
- S&C Electric Company
- Steve Chung-Bun Lo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical power operator for switchgear
- Patent number D407694
- Issue date Apr 6, 1999
- S&C Electric Company
- Douglas B. Hill
- D13 - Equipment for production, distribution, or transformation of energy