Back Spacing Attachment for Type Writing Machines (open access)

Back Spacing Attachment for Type Writing Machines

Patent for an attachment to provide type writing machines with back space. Illustration included.
Date: July 19, 1904
Creator: Parker, William A.
System: The Portal to Texas History
Line-Lock Attachment for Type-Writing Machines. (open access)

Line-Lock Attachment for Type-Writing Machines.

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.
System: The Portal to Texas History
Mail-Bag Fastener. (open access)

Mail-Bag Fastener.

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locks when closed and can only be opened with a key.It also holds the mail bag open when letters are being withdrawn.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
System: The Portal to Texas History
Nebulizer. (open access)

Nebulizer.

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.
System: The Portal to Texas History
Nut-Lock (open access)

Nut-Lock

Patent for a locking nut that holds the bolt in place, prevent it from loosening.
Date: July 1, 1902
Creator: Robinson, James F.
System: The Portal to Texas History
Plate and Attaching Device Therefor (open access)

Plate and Attaching Device Therefor

Patent for plate and attaching device to prevent it from being moved by a child. Illustration included
Date: July 18, 1905
Creator: Williams, William D.
System: The Portal to Texas History
Pneumatic Conveyer (open access)

Pneumatic Conveyer

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.
System: The Portal to Texas History
Steam Generator (open access)

Steam Generator

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.
System: The Portal to Texas History
Trousers-Guard (open access)

Trousers-Guard

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.
System: The Portal to Texas History
Wrench (open access)

Wrench

Patent for a nut and pipe wrench. Illustrations included.
Date: July 7, 1908
Creator: Barr, George T.
System: The Portal to Texas History