Of course there have been many and great improvements on these items since their inventions; but still, L.R. Johnson invented the bicycle frame in 1899; G.T. Sampson invented the clothes dryer in 1862. O. Dorsey invented the doorknob and doorstop in 1878. Lewis Latimer invented the electric lamp bulb in 1882; Alexander Miles invented the elevator in 1867.
P. Johnson invented the eyes protector on November 2,1880 which comes in many types depending upon the threat that is to be reduced. The threats can be particles, light, wind blast, heat, sea spray, some type of ball or puck used in sports.
Joseph W. Winters, an abolitionist and inventor, patented a wagon-mounted fire escape ladder for the city of Chambersburg, PA in 1878; T. Marshall invented the fire extinguisher in 1872; Robert Flemming, Jr. invented the guitar in 1886; A.C. Richard invented an Insect-Destroyer Gun on February 28, 1899.
L.A. Burr invented the lawn mower in 1889. J.W. Smith invented the lawn sprinkler in 1897; F.J. Loudin invented the key chain in 1894; W.A. Martin invented the lock in the 1800’s (no exact year was given.) Paul L. Downing invented the mailbox on October 27, 1891. J. Standard, the refrigerator on June 14, 1891
W. D. Davis, the riding saddles on October 6, 1895; (Ft. Worth had its Stock Show celebration recently; I know a lot of people should be thanking W.D. Davis. Edmond Berger the sparkplug in 1839. Robert B. Spikes enabled us to drive our automobiles without shifting gears. He gave us the automatic transmission in 1932. Many drivers have been tooling along in our cars every since without putting a hand to a gearshift.
Imhotep, a doctor, architect, a high priest, scribe and vizier to King Djoser. His name means “the one that comes in peace” existed as a mythological figure in the minds of most scholars until the end of the 19th century when he was established as a real historical person, invented the stethoscope in Ancient Egypt and he was first named the architect who built Egypt’s first pyramid.
Granville T. Woods invented a much improved phone transmitter in 1884. Lloyd Hall, a chemist, his invention of asphalt that is used on streets, tennis courts and our bridges is greatly appreciated by drivers world-wide.
Emanual L. Logan, the bullet resistant plexiglass. Meredith Gourdine invented the exhaust purification device for cars.
The Institute for Colored Youth (now known as Cheyney State University) founded in Philadelphia in 1832 is the first Historically Black college. It began as a private school, but was taken over by Pennsylvania in 1921 and became part of the state’s system. Longer than any other American college, Cheyney served the educational needs of the Black community. However, Middlebury was another college teaching African Americans during this time; it was the first college to grant a degree to an African American (Alexander Lucius Twilight) in 1823.
Inventions: Shoe Lasting Machine by H.E. Matzeliger on September 22, 1891. Sugar Refinement by Norman Rillieux on December 10, 1846. Thermostat Control by Frederick M. Jones on February 23, 1960. Egg Beater by Willie Johnson on February 5, 1884. Dough Kneader by L. Bell on December 10, 1872. Fire Extinguisher by T. Marshall on October 26, 1872.
The Automatic Gear Shift by Richard Spikes on February 28, 1932. Chamber Commode by T. Elkins on January 3, 1897. Horseshoes by J. Ricks on March 30, 1885. The Lock by W.A. Martin on July 23rd in the 1800’s. The Stove by T.A. Carrington on July 25, 1876. The Helicopter by Paul E. Williams. Multi-stage rocket by Adolph Shamms. The Urinalysis Machine by Dewey Sanderson.
Now this is just to get you started, go to your library or the Internet and see other inventions that have changed the world for the better.
