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Ronald Ballantyne
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Burlington, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Maintaining press platens in parallel relationship
Patent number
5,156,782
Issue date
Oct 20, 1992
John T. Hepburn, Limited
Ronald Ballantyne
B30 - PRESSES
Information
Patent Grant
Mechanism for tensioning a moving chain
Patent number
4,862,821
Issue date
Sep 5, 1989
John T. Hepburn, Limited
Ronald Ballantyne
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Anchoring system for floating structure
Patent number
4,841,898
Issue date
Jun 27, 1989
John T. Hepburn, Limited
Ronald Ballantyne
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Anchoring system for floating structure
Patent number
4,836,125
Issue date
Jun 6, 1989
John T. Hepburn Limited
Ronald Ballantyne
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Hydraulic cylinder device for platen spacing indication and control
Patent number
4,828,474
Issue date
May 9, 1989
John T. Hepburn, Limited
Ronald Ballantyne
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Press with adjustable platen spacing
Patent number
4,819,555
Issue date
Apr 11, 1989
John T. Hepburn, Limited
Ronald Ballantyne
B30 - PRESSES
Information
Patent Grant
Integrated winch and windlass
Patent number
4,722,293
Issue date
Feb 2, 1988
John T. Hepburn, Limited
Derek Foster
B66 - HOISTING LIFTING HAULING