28 Matching Results

Results open in a new window/tab.

Dental Clamp. (open access)

Dental Clamp.

Patent for a dental clamp "for holding pins for securement to metallic cover-plates for fillings" (lines 8-10), with illustrations.
Date: January 29, 1901
Creator: Mayes, Robert Martin
System: The Portal to Texas History
Cotton-Compress. (open access)

Cotton-Compress.

Patent for improvement in cotton-compresses by employing two compressing rolls, so that while one compress is finishing a bale the other would continuously carry out the feeding operation; making it unnecessary to stop the condenser or any part of the ginning apparatus. Illustration is included.
Date: January 1, 1901
Creator: Rembert, Henry
System: The Portal to Texas History
Cultivator and Planter (open access)

Cultivator and Planter

Patent for improvements in combined cultivators and corn/cotton planters to adapt an ordinary cultivator for planting of seeds with adjustable seed-tube and furrow opener to accommodate various character of ground being worked or cultivation being done.
Date: July 5, 1900
Creator: Prentice, Peter Mack
System: The Portal to Texas History
Cultivator (open access)

Cultivator

Patent for new and useful improvements in cultivators, relating to an attachment which may be applied to use upon any variety of cultivator with carrying-wheels, which provides efficient means for cutting cotton-stalks or weeds after cotton harvest.
Date: January 22, 1901
Creator: Kerr, Robert Lee
System: The Portal to Texas History