Ethridge E. Hardesty

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Pine Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
On-site wall structure formation
- Patent number 3,966,533
- Issue date Jun 29, 1976
- Goldsworthy Engineering, Inc.
- William Brandt Goldsworthy
- E04 - BUILDING
Information Patent Grant
Means for centrifugally casting a plastic tubular member
- Patent number 3,957,410
- Issue date May 18, 1976
- Goldsworthy Engineering, Inc.
- William B. Goldsworthy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL