3 Matching Results

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Baby-Protector. (open access)

Baby-Protector.

Patent for a protective device designed to keep an infant from sufficiently bending their arms and reaching their mouth, thereby preventing the child from potentially ingesting dangerous foreign articles.
Date: September 16, 1913
Creator: Dodd, Jacob Everette
System: The Portal to Texas History
Envelope. (open access)

Envelope.

Patent for a new and improved envelope. This design calls for "a projecting flap, to which the postage stamp or stamps may be attached in such a manner that the said stamp or stamps may be canceled by perforation (or by means of a punch or otherwise) without danger of injuring the contents of the envelope" (lines 14-19).
Date: March 16, 1880
Creator: Terry, James Doss
System: The Portal to Texas History
Improvement in Cotton-Presses. (open access)

Improvement in Cotton-Presses.

Patent for the improvement of the cotton press using a cam-lever for operating the side of the press-box with two different application of power, including illustration.
Date: February 16, 1858
Creator: Witting, F. W.
System: The Portal to Texas History