UNT Libraries Government Documents Department - 15 Matching Results

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Car - Seat Cleaner.

Patent for new and improved car-seat cleaners, including illustrations.

Date: May 6, 1902

Creator: Ridd, John A.

Item Type: Patent

Coin Operating Vending Machine

Patent for a coin operated vending machine. Illustration included.

Date: December 6, 1904

Creator: Davis, Alvah B.

Item Type: Patent

Electrical Signal System.

Patent for an improved electrical signal system which can help ascertain "the position of a train or other obstruction on a railway-track ... at either terminal" (lines 14-16), including an illustration.

Date: March 6, 1906

Creator: Lacroix, Fred

Item Type: Patent

Electrical Signal System.

Patent for an electrical system "whereby the position of a train anywhere between the ends of a track can be ascertained at either terminal" (lines 14-16).

Date: March 6, 1906

Creator: Lacroix, Fred

Item Type: Patent

Hand Plow Propeller

Patent for hand plow propeller. Illustration included.

Date: September 6, 1904

Creator: Avant, Leonidas W.

Item Type: Patent

Lock

Patent for a lock. Illustration included.

Date: November 6, 1906

Creator: Katzenberger, Oscar

Item Type: Patent

Packing Compound for Eggs.

Patent for a mixture of shale dust, gypsum, wood ash, sulfur, borax, saltpeter, and salicylic acid. This compound is to be layered around eggs, fruits, or vegetables for the purpose of preserving them.

Date: May 6, 1902

Creator: Stukes, John Marion

Item Type: Patent

Process for Extracting Honey.

Patent for a beehive and extraction process for honey, which does not destroy the wax cells the honey is stored in.

Date: October 6, 1908

Creator: Avant, Leonidas W.

Item Type: Patent

Rail Joint

Patent for a rail joint. Illustration included.

Date: April 6, 1909

Creator: Ritchey, Andrew M. & Shane, Robert C.

Item Type: Patent

Roller-Press.

Patent for a roller cotton press, which compresses the inner layers of the bale more than the outer layers.

Date: October 6, 1908

Creator: Reagan, Edgar

Item Type: Patent

Rotary Steam Engine

Patent for rotary steam engine. Illustration included.

Date: April 6, 1909

Creator: Owen, William

Item Type: Patent

Steam Boiler

Patent for a stem boiler. Illustration included.

Date: December 6, 1904

Creator: Stucky, Allan C.

Item Type: Patent

Stick-Candy Machine.

Patent for a machine for forming a batch of candy into stick candy in uniform sized pieces.

Date: August 6, 1907

Creator: Jenner, Edward J.

Item Type: Patent

Switch Mechanism and Train-Carrried Actuating Means Therefor.

Patent for a switch mechanism for railroads, which is triggered by the train.

Date: October 6, 1908

Creator: Haas, Edward

Item Type: Patent

Telephone Transmitter

Patent for a telephone transmitter. Illustration included.

Date: June 6, 1905

Creator: Fletcher, Milton J.

Item Type: Patent

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