Benjamin K. Burnham

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Merrimack, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Vertically adjustable holders for the support for the mattress of a...
- Patent number 4,982,463
- Issue date Jan 8, 1991
- Gem Industries Inc.
- Benjamin K. Burnham
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Knock-down crib construction wherein no tools or extraneous fasteni...
- Patent number 4,951,330
- Issue date Aug 28, 1990
- GEM Industries, Inc.
- Benjamin K. Burnham
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Latch for crib dropside
- Patent number 4,724,556
- Issue date Feb 16, 1988
- GEM Industries, Inc.
- Benjamin K. Burnham
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Safety latch cover for a hinge joint
- Patent number 4,356,593
- Issue date Nov 2, 1982
- GEM Industries, Inc.
- Richard T. Heininger
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...