Neil J. Thurber

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Calgary, Alberta T2L 1G6, CA

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Patents Grantslast 30 patents

Information Patent Grant
Drainage conduit which is resistant to clogging by beavers
- Patent number 4,998,847
- Issue date Mar 12, 1991
- Neil J. Thurber
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES