Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material | Patent Application Number 11323141

11323141
Not Appealed
Patent NumberUS 07310896 B2
Publication NumberUS 20060156589 A1
Filled DateDec 30, 2005
Priority DateNov 24, 2003
Inventor/ApplicantsMichael E. Lopata
ExaminesNGUYEN, MAI T
Art Unit3671
Technology Center3600
Assignments
Plc Trenching Co. Llc
Current
Plc Trenching Co. Llc
Original
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