Resource Type

Headlight Control (open access)

Headlight Control

Patent for Headlight Control
Date: September 12, 1916
Creator: Hartman, Reuben. E
System: The Portal to Texas History
Penholder Attachment (open access)

Penholder Attachment

Patent for an attachment for pen holders which acts as an extra supply of ink. Illustrations included.
Date: September 12, 1911
Creator: Harmon, James W.
System: The Portal to Texas History