UNT Libraries Government Documents Department - 3 Matching Results

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Patent for improvements in power driven implement frames, specifically in tractors, with illustrations.

Date: January 13, 1920

Creator: Armstrong, Ira

Item Type: Patent

Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.

Date: April 27, 1920

Creator: Blocker, Leck H.

Item Type: Patent

Patent for a funnel for heavy, slow running liquids, that will prevent any spilling when turned sideways.

Date: November 9, 1920

Creator: Kominsky, Isaac J.

Item Type: Patent