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Hoff; Thomas M.
Seminole, OK
No. of patents:

Patent Number Title Of Patent Date Issued
6447378 Abrasive throwing wheel and abrasive throwing blade September 10, 2002
There is provided a blast wheel assembly comprising an abrasive throwing wheel and a plurality of throwing blades evenly spaced axially on the wheel. The wheel has a central opening, an outer periphery, and a plurality of channels therein for receipt of the throwing blades. The chann
6325701 Oscillating abrasive cleaning machine December 4, 2001
An abrasive cleaning device and method are provided in which a rotating, oscillating drum tumbles articles being cleaned while they are subjected to oscillating blast streams of abrasive particles. Variable closure of alternating portions of an upper opening in the drum through which the

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