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Blind Slat Adjuster.
Patent for a new and improved blind adjuster. This design consists in "[a] shutter-stop consisting of a slotted bar linked to the end of the slat-actuating rod of a shutter, in combination with a plate having a spur on one side and a screw-threaded stud on the other, a washer, and a thumb-nut" (lines 93-97).
Date:
May 4, 1886
Creator:
Lewis, Paulinus Aloysius
System:
The Portal to Texas History
Bottle.
Patent for a bottle that has a mechanism near its opening, and when the cork is pulled out, it becomes impossible to refill the bottle and use it again. The point of this bottle is so that after it has been sealed, it cannot be opened and emptied without apparent evidence that it has been opened.
Date:
May 4, 1897
Creator:
Phillips, George C.
System:
The Portal to Texas History