Robin Michael Blackburne

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Paget 6-20, BM

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 4,320,900
- Issue date Mar 23, 1982
- Robin M. Blackburne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
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- Patent number 4,204,680
- Issue date May 27, 1980
- Robin M. Blackburne
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
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- Patent number 4,049,269
- Issue date Sep 20, 1977
- Robin Michael Blackburne
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Accessories for tooth brushes
- Patent number 3,995,743
- Issue date Dec 7, 1976
- Robin Michael Blackburne
- A46 - BRUSHWARE