Len Pickering

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London, CA

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Patents Grantslast 30 patents

Information Patent Grant
Joint for connecting a spigot to the bell of a pipe or coupling
- Patent number 4,906,010
- Issue date Mar 6, 1990
- Multi Fittings Inc.
- Len Pickering
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing a joint for connecting a spigot to the bell...
- Patent number 4,768,278
- Issue date Sep 6, 1988
- Multi Fittings
- Len Pickering
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL