Door-Hook. (open access)

Door-Hook.

Patent for a low-cost door hook designed for securing screen doors in a closed position which may be operated from either side of the door.
Date: August 30, 1921
Creator: Randazzo, Lillian
System: The Portal to Texas History
Wrench. (open access)

Wrench.

Patent for a new and improved wrench with a "novel means for adjustably controlling the position of the movable jaw with respect to the stationary jaw" (lines 12-15), including illustrations.
Date: August 29, 1916
Creator: Parmer, Ernest W.
System: The Portal to Texas History
Lever-Operated Cutting Mechanism (open access)

Lever-Operated Cutting Mechanism

Patent for lever-operated cutting mechanism, that used leavers to provide a cutting surface that is both adjustable and can be reversibly held, including illustrations.
Date: August 21, 1900
Creator: Orr, William Oliver
System: The Portal to Texas History
Seed-Planter (open access)

Seed-Planter

Patent for a seed planter that has a revolving set of cups that are filled with seed and then planted as the seed planter crosses a field.
Date: August 20, 1912
Creator: Adams, William M.
System: The Portal to Texas History
Shaft Bearing. (open access)

Shaft Bearing.

Patent for Improvements in Shaft Bearing. This bearing shaft is used to withstand heavy thrusts.
Date: August 24, 1920
Creator: Ball, Authur T.
System: The Portal to Texas History
Silo. (open access)

Silo.

Patent for an adjustable size silo, including illustrations.
Date: August 17, 1915
Creator: Starr, William Burr
System: The Portal to Texas History
Power-Transmitting Device (open access)

Power-Transmitting Device

Patent for improvements to a power transmitting device, the likes of which may be attached to motor vehicles or other motor operated machinery.
Date: August 3, 1915
Creator: Foster, Frank A. & Rockwell, Clayton S.
System: The Portal to Texas History
Detachable Reel Support (open access)

Detachable Reel Support

Patent for detachable reel support. "Invention aims to provide a new and novel form of support to be hereinafter more specifically referred to and which can be readily secured to and removed from a vehicle-wheel" (lines 10-15). Illustration included.
Date: August 2, 1904
Creator: Baker, Albert S.
System: The Portal to Texas History