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Blade-Holder

Description: Patent for a new and useful improvements to a blade holder. It can hold any form of razor blades can be securely held and easily released. The holder allows blades to be inserted safely and then hold blades firmly into place.
Date: September 27, 1921
Creator: Lightfoot, Roy L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Phonograph-Needle.

Description: Patent for a phonograph needle "which is simple in construction, inexpensive to manufacture, and may be used in connection with phonograph records of different types" (lines 18-21). The needle has a flexible shank (in multiple forms) for improved audio quality, and it accommodates various tip styles for use with many brands of phonograph records.
Date: September 27, 1921
Creator: Fletcher, Theodore
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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