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8 Matching Results
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Adjustable and Detachable Bow for Spectacles.
Patent for a temple bow for spectacles which is secured to a lens frame and is adjustable to “accommodate the angle of vision of the wearer” (lines 89-90). The connection joints between the bow and lens frame allows adjustment without bending or twisting the bow, providing a more durable bow and frame.
Date:
January 13, 1914
Creator:
Blanchard, Edward.
System:
The Portal to Texas History
Wrench.
Patent for a nut wrench with a sliding jaw.
Date:
January 24, 1911
Creator:
Mansfield, Charles L. & Matthews, Robert E.
System:
The Portal to Texas History
Windmill
Patent for a windmill. Illustrations included.
Date:
January 23, 1912
Creator:
Moon, Richard D. & Horne, Henry J.
System:
The Portal to Texas History
Well-Drill Machine.
Patent for improvements in well-drill machine by improving its operating and feed mechanisms.
Date:
January 4, 1910
Creator:
Anthony, Russell
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for a liquid fuel burner, which will burn semi-refined petroleum efficiently.
Date:
January 31, 1911
Creator:
Hayden, Jefferson B.
System:
The Portal to Texas History
Seed Planter
Patent for a seed planter. Illustration included.
Date:
January 10, 1911
Creator:
Dowdy, Ewell Monroe
System:
The Portal to Texas History
Gripper for Printing-Presses
Patent for a gripper for printing presses designed to hold the paper during printing more effectively. Illustrations included.
Date:
January 25, 1910
Creator:
Williams, John W.
System:
The Portal to Texas History
Cotton-Harvester
Patent for a cotton harvester that aides in picking the most difficult part of cotton to pick by hand. Includes instruction and illustrations.
Date:
January 30, 1917
Creator:
Ford, James
System:
The Portal to Texas History