Resource Type

States

Weeding Device (open access)

Weeding Device

Patent for improving "the construction and increase the efficiency and utility" of "horse or motor drawn weeding devices." (Lines 8-11)
Date: May 31, 1919
Creator: Zetzman, William of Post, Texas
System: The Portal to Texas History
Window Weight (open access)

Window Weight

Patent for a window weight. Illustration included.
Date: October 18, 1910
Creator: Maupin, Frank L.
System: The Portal to Texas History
Door-Lock (open access)

Door-Lock

Patent for a lock which can be attached to either a right-hand or left-hand door and operated from either side. When locked from the inside, a shutter will prevent the door from being unlocked from the outside until released again from the inside.
Date: January 12, 1915
Creator: Wilson, Ira W.
System: The Portal to Texas History