Marvin D. Selzer

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Hutchinson, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Box spring having rows of coil springs formed from a single length...
- Patent number 4,766,625
- Issue date Aug 30, 1988
- Leggett & Platt, Incorporated
- Chester R. Yates
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Mattress assembly having rows of coil springs formed from a single...
- Patent number 4,766,624
- Issue date Aug 30, 1988
- Leggett & Platt, Incorporated
- Chester R. Yates
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...