Collection
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Stamp-Affixing Machine.
Patent for a stamp affixing machine, which attaches stamps from a roll to envelopes inserted into the machine.
Date:
March 15, 1910
Creator:
Brents, William R.
System:
The Portal to Texas History
Safety-Casing Clamp
Patent for a tool that supports the drilling and operating of oil and gas wells. Specifically, the patented tool allows a strong method of sealing the smaller casing inside the larger casing, as the larger casing is pulled out of the well. Includes illustrations.
Date:
March 15, 1921
Creator:
Angus, William M.
System:
The Portal to Texas History
Sash-Fastener.
Patent for a "device which will lock the sashes of a window when they are closed and which will secure them in any desired adjustment," (lines 11-14) including instructions and illustrations.
Date:
November 27, 1891
Creator:
Taber, William M.
System:
The Portal to Texas History