31 Matching Results

Search Results

Cotton-Topper

Description: Patent for a cotton topper that can be used as an attachment for a wheeled cultivator. Illustrations included.
Date: September 8, 1908
Creator: Schwarz, Oscar
Partner: UNT Libraries Government Documents Department

Signal-Lock for Mail-Boxes

Description: Patent for a signal lock for mailboxes used to "indicate the presence or absence of mail matter in the box" (lines 10-11).
Date: September 8, 1908
Creator: Patterson, Samuel & Wiseman, John W.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen