Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/846,742 Inventor Charles N.
#Biscuit cutter inventor pdf
Google Patents Method for making biscuits of uniform size and qualityĭownload PDF Info Publication number US4664928A US4664928A US06/846,742 US84674286A US4664928A US 4664928 A US4664928 A US 4664928A US 84674286 A US84674286 A US 84674286A US 4664928 A US4664928 A US 4664928A Authority US United States Prior art keywords mold dough cutter cavity biscuit Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4664928A - Method for making biscuits of uniform size and quality "A Child miseducated is a Child Lost".John F.US4664928A - Method for making biscuits of uniform size and quality
Today, there have been 240 visitors (1248 hits) on this page! Typewriter Burridge & Marshman April 7, 1885 Traffic light Garrett Morgan November 20, 1923 Spark plug Edmond Berger February 2, 1839 Record player arm Joseph Hunger Dickenson January 8, 1819 Peanut butter George Washington Carver1896 Lubricating cup Ellijah McCoy November 15, 1895 Ironing board Sarah Boone December 30, 1887 sugar making Norbet Rillieux December 10, 1846 Marshall October 26, 1872įolding chair Brody & Surgwar June 11, 1889įountain pen W. Johnson November 2, 1880įire escape ladder J. Grant August 4, 1896Įgg beater Willie Johnson February 5, 1884Įlectric lampbulb Lewis Latimer March 21, 1882Įlevator Alexander Miles October 11, 1867Įye protector P.
Scratton November 30, 1889Ĭurtain rod support William S. Ashbourne November 30, 1875īlood plasma bag Charles Drew Approx. Johnson October 10, 1899īiscuit cutter A.P. Woods January 1, 1839Īutomatic gear shift Richard Spikes February 28, 1932īicycle frame L.R. Jones July 12, 1949Īuto cut-off switch Granville T. Railway Air Brakes that provided the first safe method of stopping trains (1903)Īir conditioning unit Frederick M. Multiplex Telegraph system, allowing messages to be sent/received from moving trains (1887) Daniel Hale Williams - First Open Heart Surgery (1893) Norbett Rillieux - Sugar Refining System that revolutionized the making of sugar (1846)ĭr. Gas Mask that saved many lives during WWI (1914) Jan Matzeliger - Automatic Shoe Making Machine that revolutionized the making of shoes (1883) Refrigeration for transport trucks (1938)Įlijah McCoy - Automatic Lubrication System for railroads and heavy machinery (1892) Charles Drew - Established Blood Banks all over the world (1940) Mark Dean- Microcomputer system with bus control means for peripheral processing devices (1984)ĭr. Morgan, the inventions of African Americans have played a large role in AMERICAN history.Īndrew Beard - Automatic Car Coupling Device (1897) The following African Americans are responsible for either inventing, or improving on the invention of, a wide variety of items.
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