States

Window Fastener (open access)

Window Fastener

Patent for a "combined automatic window fastener and lock by means of which a sliding window-sash may be securely held and fastened at any desired point of elevation and locked against movement in either direction."
Date: September 2, 1902
Creator: Parks, Leonard D.
System: The Portal to Texas History
Surgical Instrument. (open access)

Surgical Instrument.

Patent for improvements to a device to perform an operation known as a perrineorhaphia, including an illustration of the device. This device stabilizes the edges of a wound on the perineum so the surgeon can place sutures and close the wound.
Date: September 16, 1902
Creator: Simpson, Richard H.
System: The Portal to Texas History