US Patent 7891038 Sewer cleaning machine
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Patent abstract
Disclosed herein is an improved rotary drain cleaning machine having an improved support structure that prevents walking of the machine when in use. The machine is supported upon two rear mounted wheels and a forward pedestal.
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US Patent 07891038 Sewer cleaning machine US Patent 7891038 Sewer cleaning machine
Infobox
Patent Number
0789103800
Patent Number
789103800
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Patent Jurisdiction
Patent Number
078910380
Date of Patent
February 22, 2011
0Patent Application Number
127730630
Date Filed
May 4, 2010
0Official Website
Patent Primary Examiner
Edits on 6 Oct, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
078910380
Date of Patent
February 22, 2011
0Patent Application Number
127730630
Date Filed
May 4, 2010
0Official Website
Patent Primary Examiner
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US Patent 07891038 Sewer cleaning machine
Infobox
Is a
Patent jurisdiction
Patent number
07891038
Date of patent
February 22, 2011
Patent application number
12773063
Date Filed
May 4, 2010
Patent primary examiner
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