Resource Type
Counties
5 Matching Results
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Wire-Winding Device
Patent for a wire winding device for repairing wooden bars.
Date:
April 23, 1912
Creator:
Wilkinson, Charles C.
System:
The Portal to Texas History
Steam-Boiler Indicator.
Patent for an improvement in steam boiler indicators to alert when the water has dropped below a specified threshold, including instructions and illustrations.
Date:
April 28, 1914
Creator:
Marrs, Vollie B.
System:
The Portal to Texas History
Seed-Cotton Cleaner
Patent for a seed cotton cleaner which cleans out foreign matter and defective cotton while the seed cotton is going on a conveyor belt to the cotton gin.
Date:
April 23, 1912
Creator:
Thompson, Henry
System:
The Portal to Texas History
Dental Instrument.
Patent for a new dental instrument that extracts "swollen portions of the gum where it extends over the tooth" (lines 11-13), including illustration. Use of the instrument is meant to replace the common, but "objectionable" (line 56), practice of lancing the gum.
Date:
April 4, 1916
Creator:
Knox, Eldon Lemoin
System:
The Portal to Texas History
Cultivator
Patent for cultivator with illustrations and certain improvements on the invention.
Date:
April 9, 1918
Creator:
Whisenant, David A.
System:
The Portal to Texas History