Counterbalancing and Adjustable Sash for Windows.
Description:
Patent for window sashes made of two separate sections, one for the upper portion and the other for the lower portion of a window. Each sash section can be operated independently from the other by mechanisms on the right and left side of the window.
Date:
February 7, 1922
Creator:
Peaden, William H.
Partner:
UNT Libraries Government Documents Department