Woodworking – Process – Timber harvesting or processing
Reexamination Certificate
2008-09-09
2008-09-09
Self, Shelley (Department: 3725)
Woodworking
Process
Timber harvesting or processing
C144S208200, C144S024130
Reexamination Certificate
active
11017801
ABSTRACT:
“A tree trimming device that automatically climbs a tree or other vertical member and shears limbs or debris as it climbs has an anchor structure with substantially horizontal clamps, a cutting assembly with substantially horizontal clamps, vertical connecting pistons, and a cutting blade assembly.”
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Crews John
Smith George E.
Hunton & Williams LLP
Self Shelley
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