Improvement in Single-Trees (open access)

Improvement in Single-Trees

Patent for "a new and Improved Single-Tree and Breast Yoke." (lines 3-4) Includes specifications and illustrations.
Date: October 3, 1876
Creator: Flatau, Louis
System: The Portal to Texas History
Wire-Tightener. (open access)

Wire-Tightener.

Patent for "an improved wire-tightener especially designed for use in the tightening of wires in the construction of fences and in taking up slack after such fences have been constructed, but which instrument is also capable of use in tying packages with wire, binding planks to posts, and in other instances where it is desirable to tighten wire and secure it when so tightened." (Lines 7-15) Includes instructions and illustrations.
Date: September 7, 1891
Creator: Flatau, Louis S.
System: The Portal to Texas History
Envelop. (open access)

Envelop.

Patent for "simple envelop which can be cheaply manufactured and which cannot be fraudulently tampered with or opened for the purpose of removing its contents without mutilating or injuring the envelop to an extent which would be noticable" (lines 9-14), including illustrations.
Date: April 3, 1917
Creator: Moore, Essie H.
System: The Portal to Texas History