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US Patent: 4,493,208
Dual Engine Probe
Donald D. Grover - Kenosha, WI

USPTO Classifications:
73/117.3, 73/119A

Tool Categories:

Snap-On Tools Corp. - Kenosha, WI

Not known to have been produced

none listed

Patent Dates:
Applied: Dec. 29, 1982
Granted: Jan. 15, 1985

Patent Pictures:
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Snap-On Tools Company History
Emrich & Dithmar - patent attorneys


The probe includes an elongated body having a reduced diameter portion at the front thereof. A light-transmitting tube is located in the bore of the body and abuts against the shoulder defined by the reduced diameter portion. A microwave conductor in the tube protrudes from the front end. A plastic tubular shield is located at the rear end of the body and is held in place by a sleeve encompassing both shield and the body.

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