Harry D. Hebard

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Burnet, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing hot mix asphalt
- Patent number 5,352,275
- Issue date Oct 4, 1994
- Cyclean, Inc.
- Robert Nath
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Drill pipe spinner
- Patent number 4,774,861
- Issue date Oct 4, 1988
- Hughes Tool Company
- William R. Hamilton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Interference warning device
- Patent number 4,613,849
- Issue date Sep 23, 1986
- Hughes Tool Company
- Roger Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stand jumping and stabbing guide device and method
- Patent number 4,603,464
- Issue date Aug 5, 1986
- Hughes Tool Company
- Roger Smith
- E21 - EARTH DRILLING MINING