Duncan Paul Campbell

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Georgetown, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Nozzle
- Patent number 4,095,749
- Issue date Jun 20, 1978
- Duncan Paul Campbell
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Nozzle
- Patent number 4,044,954
- Issue date Aug 30, 1977
- Duncan Paul Campbell
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...