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Knee-Pad.

Description: Patent for knee pads that are "simple, inexpensive, and durable, and which is so constructed as to hold the knee of the user in an elevated position above the ground or other surface upon which the pad may be placed, thereby preventing the knee contacting with the ground or other surface and causing injury to the knee (lines 10-17).
Date: December 29, 1897
Creator: Rice, John T.
Item Type: Refine your search to only Patent

Piano Attachment.

Description: Patent for "an attachment for upright pianos designed to produce a harp, mandolin, of cithern tone, and the object in view is to provide an attachment having an improved construction of strikers." (Lines 8-12) Includes instructions and illustrations.
Date: December 22, 1896
Creator: Moyer, Jesse Hechler
Item Type: Refine your search to only Patent
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