Month

Combined Lifting-Jack and Shaft-Support (open access)

Combined Lifting-Jack and Shaft-Support

Patent for a "combined lifting-jack and thill-support for vehicles," (lines 8-9) with the objective being "to simplify and improve the construction and increase the efficiency of devices of this character." (lines 10-11)
Date: March 27, 1906
Creator: Morgan, Rovena G.
System: The Portal to Texas History
Exhaust-Controlling Valve. (open access)

Exhaust-Controlling Valve.

Patent for new exhaust-controlling valve mechanisms in steam or air engines, including illustrations.
Date: March 27, 1906
Creator: Inman, Wesley J.
System: The Portal to Texas History
Metallic Shingle. (open access)

Metallic Shingle.

Patent for a new and improved metallic shingle. This design consists in "a roof made up of a series of metallic shingles bent and doubled at the ends . . . and the joint at the sides of the shingle, the doubled ends being bent at the sides to correspond with the joint at the sides of the shingle, whereby a double thickness is provided at the sides of the end joints and notching is obviated" (lines 11-18).
Date: March 27, 1888
Creator: Harry, Hugh Walker
System: The Portal to Texas History