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5 Matching Results
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Book or Music Leaf Turner.
Patent for a music page turner, which can be operated by a lever or foot pedal.
Date:
October 22, 1907
Creator:
Alrich, Henry
System:
The Portal to Texas History
Letter-Tying Device
Patent for a package tie. Illustrations included.
Date:
June 22, 1909
Creator:
Greenwood, Bluford Preston
System:
The Portal to Texas History
Nut Lock
Patent for a nut lock. Illustration included.
Date:
January 22, 1907
Creator:
Hodges, Amos J.
System:
The Portal to Texas History
Filtering-Machine
Patent for a filtering machine which operates centrifugally to filter out solid matter from liquids. Illustrations included.
Date:
June 22, 1909
Creator:
Wilder, Richardson Timothy
System:
The Portal to Texas History
Sash Lock and Lift
Patent for sash lock and lift that "relates to improvements in devices for operating window-sashes, and especially provides an improved means for operating the upper sash and locking the same securely in any desired position with respect to the lower sash, thus obviating the necessity for reaching up for the upper sash when it is desired to raise or lower the same or to lock it in open position for the purpose of ventilation" (lines 12-21) including instructions and illustrations
Date:
October 22, 1901
Creator:
Schairer, John Jacob
System:
The Portal to Texas History