for composted manure

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Patents Grantslast 30 patents

Information Patent Grant
Compost container
- Patent number 4,108,609
- Issue date Aug 22, 1978
- Manfred Wilhelm August Petzinger
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
3662962
- Patent number 3,662,962
- Issue date May 16, 1972
- C05 - FERTILISERS MANUFACTURE THEREOF