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7 Matching Results
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7
Blind-Slat Fastener.
Patent for improvements in blind-slat fasteners, in which it holds the blinds so that air can pass through. Illustration is included.
Date:
December 14, 1909
Creator:
Riley, John Brizendine
System:
The Portal to Texas History
Machine For Pulling Cotton Stalks
Patent for a machine for pulling cotton stalks. Illustration included.
Date:
June 14, 1904
Creator:
Swenson, Werner
System:
The Portal to Texas History
Electric Time Switch
Patent for electric time switch. Illustration included.
Date:
February 14, 1905
Creator:
Gerhard, William H.
System:
The Portal to Texas History
Electrical Battery
Patent for an electrical battery. Illustration included.
Date:
June 14, 1904
Creator:
Haschke, Juluis E. & Haschke, Feodor G.
System:
The Portal to Texas History
Ice Conveying Apparatus
Patent for an ice conveying apparatus. Illustration included.
Date:
June 14, 1904
Creator:
Westergaard, Helge & Smith, Noyes D.
System:
The Portal to Texas History
Wind-Turbine.
Patent for improvements to wind motors for turbines "and has for its object to provide a wind turbine of novel structure or arrangement and including means for varying the admission of air currents to the wheel thereof" (lines 10-13).
Date:
April 14, 1908
Creator:
Gustafson, Claes Viktor
System:
The Portal to Texas History
Calendar
Patent for a circular perpetual calendar.
Date:
April 14, 1908
Creator:
Rowe, Charles E.
System:
The Portal to Texas History