Window-Sash Lock (open access)

Window-Sash Lock

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.
System: The Portal to Texas History