Lowell M. Hobrock

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Extrinsic semiconductor optical filter
- Patent number 5,463,494
- Issue date Oct 31, 1995
- Hughes Aircraft Company
- Lowell M. Hobrock
- G02 - OPTICS
Information Patent Grant
Impurity band optical filter
- Patent number 5,444,577
- Issue date Aug 22, 1995
- Hughes Aircraft Company
- Lowell M. Hobrock
- G02 - OPTICS
Information Patent Grant
Conformally doped optical elements
- Patent number 5,020,887
- Issue date Jun 4, 1991
- Hughes Aircraft Company
- Anthony J. Orler
- G02 - OPTICS
Information Patent Grant
Method for fabrication of low efficiency diffraction gratings and p...
- Patent number 4,828,356
- Issue date May 9, 1989
- Hughes Aircraft Company
- Lowell M. Hobrock
- G02 - OPTICS
Information Patent Grant
Maintenance of uniform optical window properties
- Patent number 4,829,162
- Issue date May 9, 1989
- Hughes Aircraft Co.
- Steven C. Soloski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Thermal protective shield for antenna reflectors
- Patent number 4,479,131
- Issue date Oct 23, 1984
- Hughes Aircraft Company
- James E. Rogers
- H01 - BASIC ELECTRIC ELEMENTS