Wallace D. Hill

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Deerpark, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing or repairing a machine foundation
- Patent number 5,611,974
- Issue date Mar 18, 1997
- Welch-Sluder IP Partners
- William L. Welch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for preparing or repairing a machine foundation
- Patent number 5,437,430
- Issue date Aug 1, 1995
- APT, Inc.
- William L. Welch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Machine foundation and method for preparing or repairing a machine...
- Patent number 5,165,651
- Issue date Nov 24, 1992
- APT, Inc.
- William L. Welch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL