Brian Staal

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Combermere, CA

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Patents Grantslast 30 patents

Information Patent Grant
Portable self-adjusting ladder
- Patent number 6,138,794
- Issue date Oct 31, 2000
- Transafety Inc.
- Brian Staal
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS