George K. Greenough

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Sheffield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Powered respirators
- Patent number 5,125,402
- Issue date Jun 30, 1992
- National Research Development Corporation
- George K. Greenough
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Respirable particle sampling instruments
- Patent number 4,350,507
- Issue date Sep 21, 1982
- National Research Development Corporation
- George K. Greenough
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL