Collection
Counties
5 Matching Results
Results open in a new window/tab.
Results:
1 - 5 of
5
Airship
Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date:
June 11, 1912
Creator:
Bradshaw, John F. W.
System:
The Portal to Texas History
Cotton-Boll Picker
Patent for an improvement to cotton ball harvesters.
Date:
May 11, 1915
Creator:
Hewitt, Daniel
System:
The Portal to Texas History
Clock Attachment
Patent for an improved clock attachment to operate "a series of alarms or signals arranged in different rooms of a building or in other separated stations for simultaneously sounding the alarms or for operating the signals at predetermined times." (lines 11-17) including illustrations.
Date:
January 11, 1915
Creator:
Moore, John R.
System:
The Portal to Texas History
Support for Telegraph and Telephone Wires.
Patent for a circular metal support for telegraph and telephone wires; including illustrations.
Date:
November 11, 1913
Creator:
Hoybook, Henry Levid
System:
The Portal to Texas History
Automatic Time-Check for Oil-Presses and Other Machines
Patent for a device that records the time in which a machine is in operation and in which it is idle to check the efficiency of the workmen and the work plant as a whole.
Date:
May 11, 1915
Creator:
Bell, Thomas
System:
The Portal to Texas History