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6 Matching Results
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Universal Household Grater.
Patent for a new universal grater which eliminates the risk of injury the user may gain from grating materials.
Date:
April 4, 1922
Creator:
Lambdin, William McKendree
System:
The Portal to Texas History
Hair-Clipper.
Patent for "certain new and useful Improvements" (line 6) in the Hair Clipper, concerning the introduction of more efficient "double-acting clippers" (line 12), including illustrations.
Date:
April 26, 1921
Creator:
Jones, Sidney P. & Wallace, David P.
System:
The Portal to Texas History
Saw-Table Gage.
Patent for a saw-table cutting stop that can be very quickly set and which automatically indicates the distance from the stop to the saw.
Date:
April 19, 1921
Creator:
Krocker, Adolf G.
System:
The Portal to Texas History
Rotary Cutting Device for Razors.
Patent for a shaving razor designed with a "cylindrical outer surface adapted to rotate in contact with the skin" (line 111-112) which allows for safer and more efficient shaving, includes illustrations.
Date:
April 27, 1920
Creator:
Jones, Sidney, P.
System:
The Portal to Texas History
Device for Teaching Music
Patent for a music education device aimed toward children and basic music building blocks. It is designed to teach the positions of piano keyboard notes through the use of differently dressed and named puppets. These puppets can be adjusted to also introduce basic musical concepts like rests, rhythm, and time.
Date:
April 20, 1920
Creator:
Maxwell, Annie L.
System:
The Portal to Texas History
Percolator.
Patent for a percolator for coffee or tea that is "reliable and efficient in its operation, readily and easily adjusted to fit the various sizes of pots and also inexpensive in manufacture." (lines 44-47)
Date:
April 20, 1920
Creator:
Rose, Isabell M.
System:
The Portal to Texas History