John W. Ryan

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Yowie Bay, AU

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Patents Grantslast 30 patents

Information Patent Grant
Agricultural tool shank and spring release
- Patent number 4,399,874
- Issue date Aug 23, 1983
- Agrowplow Pty Limited
- John W. Ryan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Plow shank and digging blade attached to lower extremity thereof by...
- Patent number 4,333,536
- Issue date Jun 8, 1982
- Agrowplow Pty Limited
- John W. Ryan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Vibrating device
- Patent number 4,241,615
- Issue date Dec 30, 1980
- Agrow Plow Pty. Limited
- John W. Ryan
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL