Elizabeth M. Ward

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Maidenhead, GB

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Patents Grantslast 30 patents

Information Patent Grant
Filter device and filter element for use therein
- Patent number 4,356,791
- Issue date Nov 2, 1982
- The Diversey Corporation
- Elizabeth M. Ward
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter assembly for flowline filtering of bulk liquids
- Patent number D262484
- Issue date Dec 29, 1981
- The Diversey Corporation
- Elizabeth M. Ward
- D23 - Environmental heating and cooling