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Process for Refining and Purifying Oils.

Description: Patent for "processes for purifying oils, especially petroleum, and has for its object the removal of impurities and the neutralization of acids, and the reduction of the cost of refining oil by simplifying the process and reducing the length of time usually required for completing the purification" (lines 9-16).
Date: September 15, 1910
Creator: Lasher, David F.
Partner: UNT Libraries Government Documents Department

Headlight Control

Description: Patent for Headlight Control
Date: September 12, 1916
Creator: Hartman, Reuben. E
Partner: UNT Libraries Government Documents Department

Penholder Attachment

Description: Patent for an attachment for pen holders which acts as an extra supply of ink. Illustrations included.
Date: September 12, 1911
Creator: Harmon, James W.
Partner: UNT Libraries Government Documents Department

Safety-can.

Description: Patent for a device that is able to cover and create an air-tight seal over a can or similar container. This task is accomplished in a way that renders both the can and its cover reusable, illustrations included.
Date: September 2, 1919
Creator: Patronell, John
Partner: UNT Libraries Government Documents Department
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