Letter Copying Press. (open access)

Letter Copying Press.

Patent for a new and improved copier. This design consists in "the combination of the dampening-roller . . . with the smoothing-roller at one side of and in close proximity to it and situated between said dampening-roller and the roll of paper, and the roller journaled in the standard, and the smoothing-rollers placed at one side and beyond the rollers . . . and journaled in brackets . . . whereby the paper is evenly and smoothly moistened before the copy-paper is applied and both are kept smooth during the process of copying" (lines 90-104).
Date: March 12, 1889
Creator: Thompson, Charles Albert
System: The Portal to Texas History
Protector for Type-Writer Frames. (open access)

Protector for Type-Writer Frames.

Patent for typewriter frame protector. The protector attaches to the part of the typewriter frame which is subjected to frequent contact by the user. The protector prevents the frame from wear which can lead to rust.
Date: March 12, 1918
Creator: Glasscock, Gerald A.
System: The Portal to Texas History
Fireproof Window Construction (open access)

Fireproof Window Construction

Patent for construction of a fireproof window from sheet metal. This invention is to "provide means for removing or replacing the lower sash in the window frame" (line 18-20). Illustration included.
Date: March 12, 1907
Creator: Miller, William Henry
System: The Portal to Texas History