Knife with retractable sheath

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4523379
SERIAL NO

06606317

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Abstract

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A safety utility knife includes a handle, a blade fixed to the forward end of the handle, and a retractable sheath which is received within the handle. A mechanism is provided for automatically retracting the sheath within the handle by depressing a single button at the rear of the handle.

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Patent Owner(s)

Patent OwnerAddress
TEKNABELMONT CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burr, John D Redwood City, CA 18 1457
Larson, Eric R San Francisco, CA 81 5573
Osterhout, Ralph F San Francisco, CA 330 42681

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