US Patent 7398785 Method for cleaning a culvert
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Patent Inventor Names
Robert E. Harr0
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Patent abstract
A tool for cleaning a culvert comprises a rod having a center longitudinal axis, a housing having a center longitudinal axis and coupled coaxially to the rod, the housing having an interior chamber, the housing has an outside dimension that can be accommodated within the culvert, and at least one paddle operable to rotate about the center longitudinal axis of the rod inside the interior chamber of the housing, the at least one paddle operable to dislodge and loosen debris inside the culvert.
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US Patent 07398785 Method for cleaning a culvert US Patent 7398785 Method for cleaning a culvert
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Patent Number
073987850
Patent Number
73987850
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Patent Jurisdiction
Patent Number
073987850
Date of Patent
July 15, 2008
0Patent Application Number
113854650
Date Filed
March 21, 2006
0Official Website
Patent Primary Examiner
Edits on 9 Jun, 2022
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US Patent 07398785 Method for cleaning a culvert
Infobox
Is a
Patent jurisdiction
Patent number
07398785
Date of patent
July 15, 2008
Patent application number
11385465
Date Filed
March 21, 2006
Patent primary examiner
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