UNT Libraries Government Documents Department - 8 Matching Results

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Boll-Weevil Extermination

Patent for a device to exterminate boll-weevils on cotton. Illustrations included.

Date: April 12, 1910

Creator: Hebert, Paul E.

Item Type: Patent

Bed-Spring Tightener

Patent for improvements in bed-spring tighteners, for adjusting the tension of a bed spring supporting wire as may be required. Illustration is included.

Date: July 5, 1910

Creator: Tlustos, Joseph J.

Item Type: Patent

Well Pumping Mechanism

Patent for well pumping mechanism. Illustration included.

Date: November 22, 1910

Creator: Gray, William T.

Item Type: Patent

Two-Stage Pump

Patent for a two stage pump. Illustrations included.

Date: July 12, 1910

Creator: Gray, William T.

Item Type: Patent

Traction-Wheel.

Patent for a traction wheel that has improved traction on muddy ground.

Date: July 12, 1910

Creator: Larson, Louis O.; Larsen, Arvid R. & Johnson, Sigfried

Item Type: Patent

Screen for Wells.

Patent for a well screen for water or oil wells.

Date: March 8, 1910

Creator: Dahl, Harry M.

Item Type: Patent

Show-Case.

Patent for a show case, which opens on the side and top to allow buyers to look at goods being sold and is easily collapsed for storage or shipment.

Date: March 8, 1910

Creator: Soucek, Charles H. & Ustynik, Frank E.

Item Type: Patent

Side-Delivery Excavator

Patent for a side delivery excavator designed for moving dirt away from the plows. Illustrations inicluded.

Date: October 18, 1910

Creator: Barnett, George W.

Item Type: Patent

UNT Libraries Government Documents Department - 8 Matching Results

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Boll-Weevil Extermination

Bed-Spring Tightener

Well Pumping Mechanism

Two-Stage Pump

Traction-Wheel.

Screen for Wells.

Show-Case.

Side-Delivery Excavator