J. David Harmon

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for improved activation of services in an offi...
- Patent number 5,467,565
- Issue date Nov 21, 1995
- Walker Systems, Inc.
- Timothy Bowman
- E04 - BUILDING
Information Patent Grant
Floor box for in-floor service distribution systems
- Patent number 5,468,908
- Issue date Nov 21, 1995
- Walker Systems, Inc.
- Richard L. Arthur
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical floor box
- Patent number 5,285,009
- Issue date Feb 8, 1994
- Butler Manufacturing Company
- Timothy S. Bowman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power cell feed
- Patent number 5,039,827
- Issue date Aug 13, 1991
- Butler Manufacturing Company
- J. David Harmon
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cellular raceway
- Patent number 4,986,045
- Issue date Jan 22, 1991
- Butler Manufacturing Co.
- Charles N. Domigan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Combined deck unit and cellular raceway
- Patent number 4,965,972
- Issue date Oct 30, 1990
- Butler Manufacturing Company
- Charles N. Domigan
- E04 - BUILDING