UNT Libraries Government Documents Department - 4 Matching Results

Search Results

Door-Check

Description: Patent for a door check that holds a door open in a secured position. This particular door securer has a manual operation lock independent of the knob-spindle.
Date: February 24, 1903
Creator: Skidmore, John C. & Tyer, Author

Improvement in Seed Planters

Description: Patent for "improvement in Seed Planters as herein described and pointed out in the claim..."(paragraph 4 contains instructions and references to the illustration Fig 1 and Fig 2 as well as these illustrations labeled parts)
Date: February 25, 1873
Creator: Friday, Reuben
Back to Top of Screen