Ralph T. Berg

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Ham Lake, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Refraction index change measurement
- Patent number 5,231,285
- Issue date Jul 27, 1993
- Honeywell Inc.
- Ralph T. Berg
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring coefficient of thermal expansion
- Patent number 5,121,987
- Issue date Jun 16, 1992
- Honeywell Inc.
- Ralph T. Berg
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring coefficient of thermal expansion
- Patent number 4,989,980
- Issue date Feb 5, 1991
- Honeywell Inc.
- Ralph T. Berg
- G01 - MEASURING TESTING
Information Patent Grant
Ring laser gyro block stiffener
- Patent number 4,678,335
- Issue date Jul 7, 1987
- Honeywell Inc.
- Ralph T. Berg
- G01 - MEASURING TESTING