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Robert E. Birkett
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Shelburne, VT, US
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last 30 patents
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Patent Grant
Baffle assembly for ultrasonic liquid level measuring probe
Patent number
5,456,108
Issue date
Oct 10, 1995
Simmonds Precision Products, Inc.
Robert E. Birkett
G01 - MEASURING TESTING
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Patent Grant
Ultrasonic transducer assembly for measuring liquid level
Patent number
5,410,518
Issue date
Apr 25, 1995
Simmonds Precision Product, Inc.
Robert E. Birkett
G01 - MEASURING TESTING
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Patent Grant
External sealed intrusive mounting arrangement for a fuel level sensor
Patent number
5,315,563
Issue date
May 24, 1994
Simmonds Precision Products, Inc.
Frederick L. Lichtenfels
G01 - MEASURING TESTING