Composition of Matter to be Introduced into the Inner Tubes of Pneumatic Tires for Rendering the Tires Puncture-Proof. (open access)

Composition of Matter to be Introduced into the Inner Tubes of Pneumatic Tires for Rendering the Tires Puncture-Proof.

Patent for a mixture of dextrin, asbestos, magnesia, glycerin, wood alcohol and water that is introduced into tire tubes to prevent and seal tire punctures.
Date: May 20, 1913
Creator: Causey, Thomas S.
System: The Portal to Texas History
Improvement in Saw-Cleaning Attachments for Cotton-Gins. (open access)

Improvement in Saw-Cleaning Attachments for Cotton-Gins.

Patent for a "new and useful Saw-Cleaning Attachment for Cotton-Gins" (lines 3-4) including illustrations.
Date: May 20, 1879
Creator: Mulkey, George H.
System: The Portal to Texas History
Puncture-Closing Compound. (open access)

Puncture-Closing Compound.

Patent for closing the punctures or blow-outs in tires for automobiles or other vehicles using inflatable tires.
Date: May 20, 1913
Creator: Watkins, William J.
System: The Portal to Texas History