UNT Libraries Government Documents Department - 560 Matching Results

Search Results

Results: 1 - 24 next

Seal-Padlock

Description: Patent for a seal padlock, designed to "render it absolutely impossible to gain access to the interior of the lock" (lines 12-14). Illustrations included.
Date: June 11, 1907
Creator: Abrams, Frederic
Item Type: Refine your search to only Patent

Railway Signaling Mechanism

Description: Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date: January 15, 1907
Creator: Adams, Edwin Johnson
Item Type: Refine your search to only Patent

Cotton-Picker.

Description: Patent for a skeleton glove for picking cotton that protects the fingers from chafing from the plant through the use of metal or leather thimbles on the end of each finger of the glove.
Date: April 2, 1907
Creator: Adkins, Willis
Item Type: Refine your search to only Patent

Toboggan-Slide.

Description: Patent for a toboggan slide for use in amusement parks that is easily taken up and down and includes guard rails and ant-friction devices to help guide the toboggan down the slide. It also provides a method of easily moving toboggans from one slide to another.
Date: March 19, 1907
Creator: Allen, Orcenith F.
Item Type: Refine your search to only Patent

Sewing Device

Description: Patent for a sewing device relating to the sewing of bags. This invention consists of a helical needle for drawing stitches without having to twist or turn the sewing device. Illustration included.
Date: March 19, 1907
Creator: Ascue, Elbert & Crank, R. H.
Item Type: Refine your search to only Patent

Apparatus for Testing Errors of Refraction

Description: Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date: July 2, 1907
Creator: Bahn, Gustavus Adolphus
Item Type: Refine your search to only Patent

Uterine Supporter.

Description: Patent for a uterine supporter which has a soft and flexible bulb supporting the uterus and a more rigid opposite end keeping the bulb in place. The device attaches to a cord on the waistband.
Date: July 16, 1907
Creator: Baird, William T.
Item Type: Refine your search to only Patent

Audiphone

Description: Patent for a audiophone which reproduces sounds at their original volume and timbre through the use of diaphragms vibrated by an electric signal.
Date: October 15, 1907
Creator: Baker, John A.
Item Type: Refine your search to only Patent

Electric Signaling Device.

Description: Patent for an electric signal device which has a shelf with a pad of paper, which when lowered signals a central location elsewhere. It is optimized for use by manufacturing companies watchmen and telegraph operators to send in reports of their location at various intervals.
Date: August 13, 1907
Creator: Baker, John A.
Item Type: Refine your search to only Patent
Back to Top of Screen