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Patent for a writing instrument for writing on stacks of carbon paper, which need heavy pressure to show on all the pages.

Date: November 2, 1909

Creator: Dyches, John W.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a fire alarm. Illustration included.

Date: December 28, 1909

Creator: Andrews, Bolivar C.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a headrest to be used for chairs used by barbers and doctors. Illustrations included.

Date: October 19, 1909

Creator: Wallace, Robert S.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for an auger bit used for boring holes. Illustrations included.

Date: June 22, 1909

Creator: Harris, Lawrence P.

Item Type: Patent

Partner: UNT Libraries Government Documents Department