Peter E. G. Marshall

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Stratford-on-Avon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Detecting leaks
- Patent number 4,580,443
- Issue date Apr 8, 1986
- BL Technology Limited
- Peter E. G. Marshall
- G01 - MEASURING TESTING
Information Patent Grant
Detecting leaks
- Patent number 4,577,489
- Issue date Mar 25, 1986
- BL Technology Limited
- Peter E. G. Marshall
- G01 - MEASURING TESTING
Information Patent Grant
Detecting leaks
- Patent number 4,577,490
- Issue date Mar 25, 1986
- BL Technology Limited
- David J. Bray
- G01 - MEASURING TESTING
Information Patent Grant
Method of, and apparatus for, detecting leaks
- Patent number 4,477,986
- Issue date Oct 23, 1984
- BL Technology Limited
- Peter E. G. Marshall
- G01 - MEASURING TESTING