Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter Sutherland Sharpe0
Nicholas Hamm0
Date of Patent
November 17, 2009
0Patent Application Number
116332890
Date Filed
December 4, 2006
0Patent Primary Examiner
Patent abstract
A working machine includes a rear mounted 3 point hitch and a ballast assembly. The ballast assembly includes a housing and a metal frame positioned within the housing. The frame includes a 3 point coupler connected with the 3 point hitch. Concrete ballast is within the housing in contact with the frame.
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