Material or article handling – Miscellaneous
Reexamination Certificate
2007-07-24
2010-11-09
Fox, Charles A (Department: 3652)
Material or article handling
Miscellaneous
C254S342000
Reexamination Certificate
active
07828506
ABSTRACT:
A dual drive drywall lift system for efficiently lifting a panel either manually or through an external motor. The dual drive drywall lift system generally includes a lifting unit including at least one telescoping member, a first drive unit mechanically connected to the lifting unit, wherein the first drive unit selectively extends and retracts the telescoping member(s) outwardly via a manual force input member and a second drive unit mechanically connected to the lifting unit, wherein the second drive unit selectively extends and retracts the telescoping member(s) outwardly via a powered force applied to the second drive unit.
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Fox Charles A
Neustel Law Offices
Telpro Inc.
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