Maynard E. Walberg

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Independence, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Ladder hinge and stabilizer therefor
- Patent number 4,153,138
- Issue date May 8, 1979
- Allis-Chalmers Corporation
- Maynard E. Walberg
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS