Robert Howard Heybourne

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East Molesey, EN

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Patents Grantslast 30 patents

Information Patent Grant
Synchronous self-shifting toothed clutch
- Patent number 4,069,903
- Issue date Jan 24, 1978
- S.S.S. Patents Limited
- Herbert Arthur Clements
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid operated toothed clutch with dashpot
- Patent number 4,055,240
- Issue date Oct 25, 1977
- S.S.S. Patents Limited
- Herbert Arthur Clements
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...