Derrick W. Tipper

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Sandiacre, GB

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic timing of rotating or reciprocating machine parts
- Patent number 4,373,806
- Issue date Feb 15, 1983
- Imperial Group Limited
- Derrick W. Tipper
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES