William L. Ayers

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Northridge, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple firmness mattress
- Patent number 5,987,678
- Issue date Nov 23, 1999
- Simmons Company
- William L. Ayers
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...