QUESTECH, INC.

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FALLS CHURCH, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
High volume, textured liquid transfer surface
- Patent number 5,908,505
- Issue date Jun 1, 1999
- Questech, Inc.
- Brian M. Bargenquest
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Enhanced electronically steerable beam-forming system
- Patent number 5,661,489
- Issue date Aug 26, 1997
- QuesTech, Inc.
- Leonard Baker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projectile having nonelectric infrared heat tracking device
- Patent number 4,964,591
- Issue date Oct 23, 1990
- QuesTech, Inc.
- Donald W. Wilmot
- F41 - WEAPONS
Information Patent Grant
Method and apparatus for the microwave joining of ceramic items
- Patent number 4,767,902
- Issue date Aug 30, 1988
- QuesTech Inc.
- David E. Palaith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method and apparatus for the microwave joining of nonoxide ceramic...
- Patent number 4,757,172
- Issue date Jul 12, 1988
- QuesTech Inc.
- David E. Palaith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Navigation devices
- Patent number 4,132,113
- Issue date Jan 2, 1979
- Questech, Inc.
- Harold T. Lyman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75209509 - Q
- Serial number 75209509
- Registration number 2127082
- Filing date Dec 6, 1996
- QuesTech, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
74602505 - QUESTECH
- Serial number 74602505
- Registration number 1931615
- Filing date Nov 23, 1994
- QuesTech, Inc.
- 37 - Building construction
Information Trademark
74602501 - QUESTECH
- Serial number 74602501
- Registration number 1933165
- Filing date Nov 23, 1994
- QuesTech, Inc.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73684147 - QUESTECH,INC.
- Serial number 73684147
- Registration number 1531368
- Filing date Sep 9, 1987
- QUESTECH, INC.
- 42 - Scientific and technological services and research and design relating thereto