Stone; David Alan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stone; David Alan.The latest application filed is for "apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe".
- Stone; David Alan - Wiltshire GB
| Patent | Date |
|---|---|
| Apparatus for permitting access to the interior of a subterranean fluid-carrying pipe by way of an excavation which has uncovered the wall of the pipe App 20080260466 - Stone; David Alan | 2008-10-23 |
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