Window-Sash Lock
Description:
Patent for "certain new and useful Improvements in Window-Sash Locks" (lines 5-7). "The object in view is to produce a simple and efficient device..., [which] consists essentially in the provision of means for permitting either sash to be locked or one sash to be partially or fully opened..." (lines 17-22).
Date:
July 9, 1918
Creator:
Rickel, Tremont W.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department