Permutation-Lock. (open access)

Permutation-Lock.

Patent for "new and useful improvements in permutation-locks." (Lines 6-7) This lock is specifically designed to protect delivered milk bottles from theft.
Date: November 13, 1917
Creator: Kirkpatrick, Otey R.
System: The Portal to Texas History
Device for Hanging Wall-Paper. (open access)

Device for Hanging Wall-Paper.

Patent for a device for hanging wall paper that includes a paper holder and paper brush/roller.
Date: February 13, 1912
Creator: Randle, Millard F.
System: The Portal to Texas History
Upholstery. (open access)

Upholstery.

Patent for an improvement in upholstery, more specifically, inflatable type upholstery; includes illustrations.
Date: July 13, 1915
Creator: Dodd, Laura L.
System: The Portal to Texas History
Churn Operator (open access)

Churn Operator

Patent for a Churn Operator. This device contains specifications for operating churn-dashers, as well as improvements for the established churn operator.
Date: April 13, 1905
Creator: Ham, James T.
System: The Portal to Texas History
Churn-Body. (open access)

Churn-Body.

Patent for a churn body with a temperature regulator for the cream.
Date: December 13, 1910
Creator: Liles, William W.
System: The Portal to Texas History