UNT Libraries Government Documents Department - 10 Matching Results

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Line-Lock Attachment for Type-Writing Machines.

Description: Patent for improvements in line-lock attachments for type-writing machines in which “it prevent the printing of one letter over another by effecting a locking of the key-levers when the carriage of the machine reaches the end of the line.” (Lines 26-29) Illustration is included.
Date: July 5, 1904
Creator: Parker, William A.
Item Type: Refine your search to only Patent

Mail-Bag Fastener.

Description: Patent for a mail bag fastener which automatically locks when closed and can only be opened with a key.It also holds the mail bag open when letters are being withdrawn.
Date: July 16, 1907
Creator: Barr, George Taylor
Item Type: Refine your search to only Patent

Nebulizer.

Description: Patent for a nebulizer, which has a spraying mechanism for delivering medicinal sprays through a nozzle to the nose, throat, or lungs.
Date: July 14, 1908
Creator: McGregor, Ringling R.
Item Type: Refine your search to only Patent

Pneumatic Conveyer

Description: Patent for an invention that "relates to a pneumatic conveyer, and is particularly adapted for use in connection with cotton-seed and other material for the purpose of elevating and conveying the material to a room or compartment where it may be deposited and for transferring the contents of one of said compartments to another whenever desired" (lines 10-17). Illustrations are included.
Date: July 6, 1901
Creator: Seifert, John, W.
Item Type: Refine your search to only Patent

Steam Generator

Description: Patent for an invention that "relates to a novel generator designed with special reference to the requirements of motor-vehicles, but capable of use in any connection where a completely automatic generator of light compact form is desirable" (lines 14-21). Illustrations are included.
Date: July 15, 1902
Creator: Walker, James C.
Item Type: Refine your search to only Patent

Trousers-Guard

Description: Patent for a metal guard worn around the ankle. The guard maintains the shape of the trousers when worn and keeps the material from coming in contact with the wearer's legs.
Date: July 1, 1902
Creator: Hardy, James H.
Item Type: Refine your search to only Patent
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