David J. Muir

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Farmington Hills, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Sign stand for flexible traffic control signage
- Patent number 6,056,250
- Issue date May 2, 2000
- Marketing Displays International
- David U. Hillstrom
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sign stand with rolling base
- Patent number D392686
- Issue date Mar 24, 1998
- Marketing Displays, Inc.
- Robert Sarkisian
- D20 - Sales and advertising equipment
Information Patent Grant
Poster and sign display assembly
- Patent number 5,442,871
- Issue date Aug 22, 1995
- Marketing Displays, Inc.
- Robert Sarkisian
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Wall mounted sign frame
- Patent number D360078
- Issue date Jul 11, 1995
- Marketing Displays, Inc.
- Robert Sarkisian
- D06 - Furnishings
Information Patent Grant
Free standing sign stand
- Patent number D351863
- Issue date Oct 25, 1994
- Marketing Displays, Inc.
- Robert Sarkisian
- D20 - Sales and advertising equipment
Information Patent Grant
Release mechanism for locking pivotable leg
- Patent number 5,340,068
- Issue date Aug 23, 1994
- Marketing Displays, Inc.
- Robert Sarkisian
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Universal stackable manhole shield
- Patent number 5,046,886
- Issue date Sep 10, 1991
- Marketing Displays, Inc.
- David J. Muir
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES