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Copy Holder.

Description: Patent for a new and improved copy-holder. This design "is [for] an improved copy-holder intended especially for holding deeds when being transcribed to the records, and seeks to provide a simple, inexpensive construction by which the deed may be held and to and from which the deed or other paper may be adjusted without difficulty, such construction serving also to mark or indicate the particular line of the paper being copied" (lines 7-15).
Date: August 2, 1887
Creator: Adair, Irvine James
Item Type: Refine your search to only Patent

Air Compressor for Deep Well Pumps.

Description: Patent for a new and improved air-compressor. This design "relates to improvements in air-compressing mechanism for the purpose of pumping for forcing from deep wells and performing similar work; and it consists in the construction and arrangement of a larger and smaller air-cylinder, and the combination therewith of mechanism to force the air from the larger into the smaller cylinder to increase the air-pressure in the latter" (lines 22-30).
Date: August 2, 1887
Creator: Adams, John R.
Item Type: Refine your search to only Patent

Seed-Planter

Description: Patent for a seed planter that has a revolving set of cups that are filled with seed and then planted as the seed planter crosses a field.
Date: August 20, 1912
Creator: Adams, William M.
Item Type: Refine your search to only Patent

Velocipede.

Description: Patent for a new and improved velocipede. This design "has relation to that class of velocipedes in which the rider is suspended within a large wheel impelled by a frictional contact between the inner periphery of the same and the driving wheel" (lines 8-12). With this design, "by the increased size of wheel, not only is speed gained, but the same may be propelled with greater ease over rough or smooth roads and with greater comfort to the rider, in that the jolt is less, and yet at the same ti… more
Date: August 5, 1890
Creator: Akers, William P.
Item Type: Refine your search to only Patent

Process of Heating Oil-Retorts and Apparatus Therefor.

Description: Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.
Date: August 16, 1921
Creator: Alexander, Clive M.
Item Type: Refine your search to only Patent

Slime-Pulp Thickener

Description: Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date: August 17, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Non-Refillable Bottle.

Description: Patent for improvements to non-refillable bottles to prevent tampering and/or re-filling of container with alternate substance. Item is designed to be used on any ordinary bottle.
Date: August 19, 1902
Creator: Allen, Edward
Item Type: Refine your search to only Patent
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