UNT Libraries Government Documents Department - 6 Matching Results

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Attachment for Lead-Pencils.

Patent for a calendar that attaches permanently to a lead pencil and wraps securely when not being viewed.

Date: January 1, 1901

Creator: Masters, George

Patent for an improved coupler, the object of the invention being to provide an improved means for elevating, holding, and releasing the coupling-pin, and also to provide a vertically-adjustable drawhead, which bae readily adjusted either during coupling or before or after.

Date: January 19, 1892

Creator: Brimingham, Oliver M.

Cotton-Stalk Cutter

Patent for a cotton stalk cutter. Illustrations included.

Date: January 24, 1911

Creator: Leatherwood, Roy A. & Leatherwood, Charles F.

Inprovement in Sulky-Cultivators.

Patent for an improved sulky cultivator which lists description on how to build the cultivator.

Date: January 10, 1871

Creator: Jordan, Hugh P

Stirrup.

Patent for a new and improved stirrup. This design relates "particularly to a new and improved stirrup iron or body, whereby a stirrup of extraordinary strength and lightness is produced, and also one that is ornamental and avoids the discomfort of metallic stirrups now in common use" (lines 8-13).

Date: January 6, 1891

Creator: Kerns, George A.

Well Drilling Tool

Patent for improvments into the tools for boring Artesian wells.

Date: January 2, 1917

Creator: Schubert, Hermann F.