3 Matching Results

This system will be undergoing maintenance June 27th between 9:00AM and 12:00PM CDT.

Search Results

Manufacture of Aluminum Chloride.

Description: Patent for improvements of manufacture of aluminum chloride, comprising "a method of utilizing certain oily residues which are the result of treatment of oils with aluminum chloride or with substances capable of forming aluminum chloride" (lines 11-14), including illustrations.
Date: February 7, 1922
Creator: McAfee, Almer M.
Partner: UNT Libraries Government Documents Department

Monolithic Wall.

Description: Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.
Date: February 7, 1922
Creator: Graham, Malcolm J
Partner: UNT Libraries Government Documents Department

Direction Signal for Automobiles.

Description: Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.
Date: February 7, 1922
Creator: Womack, Foster B.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen