Collection
Serial/Series Title
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4 Matching Results
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4
Alarm Attachment for Electric Bells.
Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date:
June 30, 1902
Creator:
Blakeney, Henry
Object Type:
Patent
System:
The Portal to Texas History
Composition for Removing Coatings
Patent for a coating remover, made by mixing an alkali, an oxidizing agent, a solvent, and another chemical to prevent water evaporation.
Date:
June 30, 1914
Creator:
Humphreys, Jerome Nichols; Smith, Walter K. & Oliger, J. D.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Seed Linter
Patent for "improvements in cotton-seed linters" (Lines 5-6) for improving efficiency of "separating the the lint from motes and other dirt and trash" (lines 15-16) including illustrations.
Date:
June 30, 1914
Creator:
Vardell, Arthur A.
Object Type:
Patent
System:
The Portal to Texas History
Lancaster Independent School District, June 2005
"The report reviews the management and performance of the Lancaster Independent School District's (LISD) education, financial, and operational functions."
Date:
June 30, 2005
Creator:
Texas. Legislative Budget Board.
Object Type:
Report
System:
The Portal to Texas History