William E. Warren

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Potters Bar, GB

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Patents Grantslast 30 patents

Information Patent Grant
Check valves
- Patent number 5,186,201
- Issue date Feb 16, 1993
- British Technology Group Limited
- William E. Warren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Pressure regulators
- Patent number 5,042,697
- Issue date Aug 27, 1991
- National Research Development Corporation
- William E. Warren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL