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Hollybank Engineering Company Limited
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Aylesbury, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Fishplate
Patent number
4,685,839
Issue date
Aug 11, 1987
Hollybank Engineering Company Limited
Michael G. Plater
E04 - BUILDING
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Patent Grant
Connector for bolted joints
Patent number
4,160,609
Issue date
Jul 10, 1979
Hollybank Engineering Company Limited
David B. Jackson
E21 - EARTH DRILLING MINING