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Combined Rubber Dam and Tooth Backing Punch
Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date:
May 19, 1908
Creator:
Bell, Harry M.
System:
The Portal to Texas History
Cleaning Mechanism for Tanks.
Patent for Cleaning Mechanism for Tanks.
Date:
May 19, 1903
Creator:
Hogg, William B.
System:
The Portal to Texas History
Well-Drilling Machinery
Patent for a well drilling machine. Illustrations included.
Date:
May 19, 1908
Creator:
Decker, Harry R.
System:
The Portal to Texas History
Pneumatic Flue Expander
Patent for a pneumatic flue expander. This invention allows for the ability to expand the ends of flue sheets of a steam or other boiler. Illustration included.
Date:
May 19, 1908
Creator:
Kelley, Harry
System:
The Portal to Texas History
Hay-Press.
Patent for improvements in hay-presses by using the combination of a ram having a connecting rod, a rack engaged with a rotatable cog-wheel, a bed-plate, a weighted lever, a buffer and other minor parts to create the pressing operation. Illustration is included.
Date:
May 19, 1891
Creator:
Grant, Richard A.
System:
The Portal to Texas History
Hydrocarbon-Burner
Patent for a hydrocarbon burner and "it has for its special object to provide a burner of this class which shall be especially adapted for the consumption of crude oil." (line 9-12)
Date:
May 19, 1903
Creator:
de Latimer, Walter
System:
The Portal to Texas History
Imitation Diamond
Patent for imitation diamond. This is an invention that relates to the creation of imitation gems from glass. Illustration included.
Date:
May 19, 1908
Creator:
McDearmon, James C.
System:
The Portal to Texas History
Cultivator Attachment
Patent for a cultivator attachment. "The principal object of the invention is to provide a simple harrowing attachment for the cultivator shovels, so that the soil can be pulverized immediately succeeding the lifting thereof by the cultivator shovel."
Date:
May 19, 1914
Creator:
Hafer, Albert L.
System:
The Portal to Texas History