James B. Thaxter

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Townsend, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical alignment of masks for X-ray lithography
- Patent number 4,360,273
- Issue date Nov 23, 1982
- Sperry Corporation
- James B. Thaxter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic toner apparatus
- Patent number 4,295,442
- Issue date Oct 20, 1981
- Sperry Corporation
- James B. Thaxter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic transfer surface for controlling toner thickness
- Patent number 4,284,031
- Issue date Aug 18, 1981
- Sperry Corporation
- James B. Thaxter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coaxial multi-detector system and method for measuring the extincti...
- Patent number 4,099,875
- Issue date Jul 11, 1978
- Sperry Rand Corporation
- Donald H. McMahon
- G01 - MEASURING TESTING