Mechanical Carpenter's pencil

The instant invention is a mechanical pencil. The pencil consists of a body having a cavity and an engagement element. An engagement element is attached to the body and movable relative to the body from a first position to a second position, wherein when the engagement element is located at the firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Daniel R. Seymour
Format: Patent
Sprache:eng
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