David A. Lamphere

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Milton, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen content monitor for liquified natural gas
- Patent number 4,062,223
- Issue date Dec 13, 1977
- Simmonds Precision Products, Inc.
- David A. Lamphere
- G01 - MEASURING TESTING
Information Patent Grant
Liquid density measurement system
- Patent number 4,011,746
- Issue date Mar 15, 1977
- Simmonds Precision Products, Inc.
- Paul G. Weitz
- G01 - MEASURING TESTING
Information Patent Grant
Fuel tank alarm systems
- Patent number 3,964,037
- Issue date Jun 15, 1976
- Simmonds Precision Products, Inc.
- David A. Lamphere
- G01 - MEASURING TESTING