UNT Libraries Government Documents Department - 8 Matching Results

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Blower and Suction Device.

Patent for a blower for a threshing machine that regulates the amount of air put out of the machine, and is both affordable and durable.

Date: March 26, 1907

Creator: Brown, Harry M. & Dahl, Harry M.

Item Type: Patent

Condensing-Pump.

Patent for a condensing pump with a new type of valve mechanism.

Date: September 17, 1907

Creator: Leggett, Charles E.

Item Type: Patent

Clevis

Patent for a clevis. This invention is designed to connect with gang plows allowing vertical and lateral movement. Illustration included.

Date: September 10, 1907

Creator: Barnett, George W.

Item Type: Patent

Well-Screen

Patent for a well screen to prevent the entrance of sand or gravel into the wall of a deep well.

Date: June 18, 1907

Creator: Stancliff, George W.

Item Type: Patent

Wheel Plow

Patent for a plow supported on wheels. Illustration included.

Date: January 1, 1907

Creator: Barnett, George W.

Item Type: Patent

Grading-Machine.

Patent for a grading machine for use in building dikes and levees, which can run over obstacles without harming the machine's work.

Date: October 29, 1907

Creator: Barnett, George W.

Item Type: Patent

Seed-Planter

Patent for a seed planter. Illustrations included.

Date: December 3, 1907

Creator: McGuire, Daniel Harry

Item Type: Patent

Device for Cutting Key Seats or the Like

Patent for a device for cutting key seats or the like. This invention is an improvement in metal working tools as they relate to key seat cutters. Illustration included.

Date: November 12, 1907

Creator: Lindstrom, Conrad

Item Type: Patent

UNT Libraries Government Documents Department - 8 Matching Results

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Blower and Suction Device.

Condensing-Pump.

Clevis

Well-Screen

Wheel Plow

Grading-Machine.

Seed-Planter

Device for Cutting Key Seats or the Like