Laurenson, Jr.; John G.

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Jacksonville, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Compost air injection and evacuation system with improved air control
- Patent number 5,153,137
- Issue date Oct 6, 1992
- Laurenson, Jr.; John G.
- John G. Laurenson
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Compost or amendment fire control system with improved flow control
- Patent number 5,092,407
- Issue date Mar 3, 1992
- Laurenson, Jr.; John G.
- John G. Laurenson
- C05 - FERTILISERS MANUFACTURE THEREOF