Articulating Plate (open access)

Articulating Plate

Patent for "new and useful articulating plate" (lines 5-6), including illustration and instructions.
Date: April 11, 1900
Creator: Driskill, T. F.
System: The Portal to Texas History
Automatic Cotton Press and Feeder (open access)

Automatic Cotton Press and Feeder

Patent for an automatic cotton press and feeder operated by fluid pressure. Illustrations included.
Date: April 13, 1909
Creator: Cumpston, Frederick Bernard
System: The Portal to Texas History
Bit for Well-Drilling Apparatus. (open access)

Bit for Well-Drilling Apparatus.

Patent for a rotary expansion bit for use with well-drilling apparatuses. The bit can be adjusted without removing the well tubing, and can drill a hole large than the tubing in order to insert casing sections.
Date: April 22, 1902
Creator: Sloan, James W.
System: The Portal to Texas History
Combined Buckle and Hook (open access)

Combined Buckle and Hook

Patent for a combined buckle and hook. Illustration included.
Date: April 18, 1905
Creator: Green, George F.
System: The Portal to Texas History
Coupling for Well-Drilling Machines (open access)

Coupling for Well-Drilling Machines

Patent for coupling for well-drilling machines.
Date: April 14, 1903
Creator: Johnston, Horace G.
System: The Portal to Texas History
Index and Trial-Balance. (open access)

Index and Trial-Balance.

Patent for improvement in indexes and trial-balances by using removable spring-strips to hold all the papers together in one place and can be easily remove when needed. Illustration is included.
Date: April 2, 1901
Creator: Templeton, Allison
System: The Portal to Texas History
Vest and Drawers Holder (open access)

Vest and Drawers Holder

Patent for a vest and drawers holder. Illustration included.
Date: April 5, 1904
Creator: Lustig, Albert
System: The Portal to Texas History
Well Drilling Apparatus (open access)

Well Drilling Apparatus

Patent for a well drilling apparatus. This invention applies to the drilling of oil wells. Illustration included.
Date: April 21, 1908
Creator: Milliron, Charles
System: The Portal to Texas History