Insect Trap. (open access)

Insect Trap.

Patent for a new and improved ant trap. This design calls for a box to be placed over the mouth of an anthill, whereupon one expects the ants to enter a hole, climb an incline, and slip down a pair of glass pieces that lower the ants into an inescapable chamber. This design is cheaper and easier to make than previous ant traps.
Date: May 24, 1881
Creator: Blackwood, Curtis
System: The Portal to Texas History
Wagon (open access)

Wagon

Patent for a wagon. This invention provides new and improved running gear. Illustrations included.
Date: May 24, 1904
Creator: Emberger, Ferdinand
System: The Portal to Texas History
Stalk-Chopper (open access)

Stalk-Chopper

Patent for a stalk cutter. Illustrations included.
Date: September 24, 1912
Creator: Scott, Oscar Franklin
System: The Portal to Texas History
Sleeve-Tablet. (open access)

Sleeve-Tablet.

Patent for "a sleeve-tablet adapted to be applied to a cuff or wristband for ready access in making notes and referring thereto." (Lines 8-11) Includes instructions and illustrations.
Date: August 24, 1897
Creator: Carlson, Frank A.
System: The Portal to Texas History
Permutation Lock. (open access)

Permutation Lock.

Patent for a new and improved combination lock. This design "consists in the construction and novel arrangement of the elongated case, its longitudinally slotted and notched partitions, the boltway over the partitions, reciprocating notched and perforated slides, and adjustable pins or studs engaging the perforations and projecting into the slots of the partitions, the rack-slide, drop-bolt, and graduated knob carrying the pinion" (lines 20-28).
Date: April 24, 1883
Creator: Sarlls, Rutus & Holland, Virgil C.
System: The Portal to Texas History
Crude-Oil Burner. (open access)

Crude-Oil Burner.

Patent for "a crude-oil burner especially adapted for use in cooking and heating stoves and in fireplaces;" including illustrations.
Date: June 24, 1902
Creator: Landis, John A.; Johnston, William A. & Bosley, Lee Wooden
System: The Portal to Texas History