Road structure – process – or apparatus – Apparatus – Tool rotating in horizontal plane
Reexamination Certificate
2005-03-01
2005-03-01
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Apparatus
Tool rotating in horizontal plane
Reexamination Certificate
active
06860675
ABSTRACT:
A power trowel is provided for finishing concrete. The trowel can be used to finish concrete at different stages of hardening. The handle of the trowel is rotated both to adjust the speed of rotation of the trowel blades and the cant of the trowel blades.
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Hartmann Gary S.
Tod R. Nissle P.C.
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