Ernest G. Burkhardt

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Wall, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Buried undercut mesa-like waveguide and method of making same
- Patent number 4,764,246
- Issue date Aug 16, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Thomas J. Bridges
- G02 - OPTICS
Information Patent Grant
Buried undercut mesa-like waveguide
- Patent number 4,725,112
- Issue date Feb 16, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Thomas J. Bridges
- G02 - OPTICS
Information Patent Grant
Spectrophone with field tuning of absorption cell
- Patent number 4,105,919
- Issue date Aug 8, 1978
- Bell Telephone Laboratories, Incorporated
- Thomas J. Bridges
- G01 - MEASURING TESTING