Series: Utility Patent Drawings, 1837 - 1911Record Group 241: Records of the Patent and Trademark Office, 1836 - 1978
Series: Utility Patent Drawings, 1837 - 1911
Record Group 241: Records of the Patent and Trademark Office, 1836 - 1978
Image description: A mitten with spiked metal plates on the palm side of the fingers and thumb, and a strong metal wire serving as a spring to either open or close the grip (it’s not clear which).