Resource Type

2 Matching Results

Results open in a new window/tab.

Indicator for Mail-Boxes. (open access)

Indicator for Mail-Boxes.

Patent for the operator indicating a mail for the mail box to the courier mans, which allows easy purchase of things.
Date: May 16, 1916
Creator: Hunnicutt, Wallace V.
System: The Portal to Texas History
Nut-Lock (open access)

Nut-Lock

Patent for a nut lock that can be easily applied and detached from a bolt. Will lock screws in place to avoid accidental rotation of the bolt and is less expensive to make.
Date: February 16, 1915
Creator: Boren, W. E.
System: The Portal to Texas History