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Patents Grants
last 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
Digging blade for a plow
Patent number
D256243
Issue date
Aug 5, 1980
Agrowplow Pty. Limited
John W. Ryan
D15 - Machines not elsewhere specified
Information
Patent Grant
Digging adapter for a plow
Patent number
D256244
Issue date
Aug 5, 1980
Agrowplow Pty. Limited
John W. Ryan
D15 - Machines not elsewhere specified
Information
Patent Grant
Plow shank
Patent number
D255797
Issue date
Jul 8, 1980
Agrowplow Pty Limited
John W. Ryan
D15 - Machines not elsewhere specified
Patents Applications
last 30 patents
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