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Inventors. Mrs. Curry Oakway Middle School March 22, 2003. Beulah Louise Henry. 1887 – ????. 1887 - 1949. Vacuum Ice Cream Freezer. Ms. Henry’s first patent Patented in 1912. Snap-on Umbrella Covers. 1924 Umbrella with snap-on covers Sold process for $50,000. Toys. Educational

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inventors

Inventors

Mrs. Curry

Oakway Middle School

March 22, 2003

beulah louise henry
Beulah Louise Henry

1887 – ????

1887 - 1949

vacuum ice cream freezer
Vacuum Ice Cream Freezer
  • Ms. Henry’s first patent
  • Patented in 1912
snap on umbrella covers
Snap-on Umbrella Covers
  • 1924 Umbrella with snap-on covers
  • Sold process for $50,000
slide5
Toys

Educational

  • Kiddie Klock
  • Cross Country board game

Other

  • 1929 Dolly Dips
  • 1935 Miss Illusion doll
other inventions
Other Inventions
  • 1932 Protograph
  • 1940 Bobbinless sewing

machine

  • 1952 Continuously-attached envelopes
telegraph
Telegraph
  • 1832 idea of telegraph
  • 1840 granted patent
  • 1858 transatlantic telegraph
morse code
Morse Code
  • 1838 invents Morse Code
  • Dots and dashes are symbols for letters and numbers
first message
First Message
  • Sent message May 24, 1844
  • From Washington, D.C to Baltimore, MD
  • What hath God wrought?
telephone
Telephone
  • 1874 sketch of telephone
  • February 14, 1876 applied for patent
first phone call
First Phone Call
  • March 10, 1876 first speech heard
  • “Mr. Watson, come here I want to see you.”
  • January 25, 1915 formal opening of transcontinental telephone line
  • New York to San Francisco
other inventions14
Other Inventions
  • Photophone
  • 1881 Metal Vacuum Jacket
    • breathing apparatus
  • February 23,1909 Silver Dart
    • first powered flight in Canada Silver Dart
phonograph
Phonograph

1887 New Phonograph

1877 Cylinder Phonograph

First Words Recorded

“Mary Had a Little Lamb”

light bulb
Light Bulb
  • 1878 – 1879 light bulb lasts for 13 hours
kinetoscope and kinetograph
Kinetoscope and Kinetograph
  • 1888 idea for Kinetoscope
  • August 24, 1891 patent applied for Kinetoscope and Kinetograph
bibliography
Bibliography
  • Pictures used by permission Library of Congress American Memory Collection
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