Patent Model - Improvement in Combined Finger-Nail Cleaner and Envelope-Opener
Maker and role
Commodore Tener, Patentee
R.M. Hopkins, Assignee
Jul 08 1879
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1/8 x 2 x 7/16" (0.3 x 5.1 x 1.1cm)
Tener's invention is "an improvement in devices for cleaning finger-nails and opening envelopes; and it consists in a blade which, for convenience, may be attached to a watch-key or other similar device, and which is so constructed that it may be used for cleaning the finger-nails, as an eraser, or as an envelope-cutter..." (Patent Number 217,429)
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