Philip M. Johnson

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Windham, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatically controlled dual mode face seal
- Patent number 8,708,342
- Issue date Apr 29, 2014
- BAE Systems Information and Electronic Systems Integration Inc.
- Philip M Johnson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Modulated infrared source
- Patent number 6,420,719
- Issue date Jul 16, 2002
- BAE Systems Information and Electronic Systems Integration, Inc.
- Philip M. Johnson
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Interpolative direction determining system
- Patent number 5,410,399
- Issue date Apr 25, 1995
- Lockheed Sanders, Inc.
- Philip M. Johnson
- F41 - WEAPONS
Information Patent Grant
Beam projector
- Patent number 4,100,404
- Issue date Jul 11, 1978
- Sanders Associates, Inc.
- Philip M. Johnson
- G02 - OPTICS
Information Patent Grant
Direction determining method and apparatus
- Patent number 4,023,908
- Issue date May 17, 1977
- Sanders Associates, Inc.
- Philip M. Johnson
- G01 - MEASURING TESTING
Information Patent Grant
Projector
- Patent number 3,988,059
- Issue date Oct 26, 1976
- Sanders Associates, Inc.
- Philip M. Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direction determining method and apparatus
- Patent number 3,970,391
- Issue date Jul 20, 1976
- Sanders Associates, Inc.
- Philip M. Johnson
- G01 - MEASURING TESTING