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Car Door

Description: Patent is for car door and support. It goes on to explain that the car door and support were created to serve as a means of forming an efficient rain-proof closure when the door is moved into closed position. Another object is to provide sufficient means for slide-able support for the door and locking mechanisms.
Date: March 27, 1915
Creator: Minton, S. F. & McClellen, R. E.

Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
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