UNT Libraries Government Documents Department - 5 Matching Results

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Improvement in Cotton-Hoes.: Patent for improvements in cotton hoes: "such as are employed in thinning cotton and other plants" ( lines 16-17).
Non-Refillable Bottle.: Patent for non-refillable bottles "which in order to obtain access to its contents will have to be sufficiently mutilated or altered in appearance so that it cannot be again used as an original package for the fraudulent sale of an imitation liquid." (Line 13-17) Includes instructions and illustrations.
Seed-Planter.: Patent for a seed planter which utilizes a dropping-wheel that has pockets. Plungers take in and release a certain number of seeds into the pockets.
Telephone-Transmitter.: Patent for a granulated-electrode phone transmitter that is designed to be simple and "constructed so that the granulated-electrode cannot become displaced from the cell" (lines 10-12).
Telephone-Transmitter.: Patent for "a simple transmitter in which the greatest volume of sound may be transmitted without causing grating or rattling." (Lines 8-11) Includes instructions and illustrations.