post card was invented by John P. Charlton of Philadelphia
William Bullock invented a printing press that could feed paper on a continuous roll and print both sides of the paper at once
The End of the American Civil War
Rockefeller formed Standard Oil of Ohio
First rotary can opener with a cutting wheel
ice cream soda was invented by Robert M. Green of Philadelphia. Green's invention paved the way for the soda fountain industry to flourish
Patent of the Telephone by Alexander Graham Bell
Gustavus Swift developed the disassembly line and first refriferator car
Edison was issued the first patent for the phonograph
Mechanical cash register was invented and patented
The electric light invented by Thomas Edison
Margaret E. Knight while living in Springfield, Massachusetts invented a machine that folded and glued paper to form the brown paper bags familiar to what shoppers know and use today
The American Telephone and Telegraph Company (AT&T) was formed
Invention of the Slot Machine by Charles Fey
Nikola Tesla development of the electric motor and electric sewing machine
The tattoo machine, Sean Casey discovered that Edison's machine could be modified and used to introduce ink into the skin
Ferris Wheel by George Washington Gale Ferris
Bottle Caps by William Painter
John Froelich invented and built the first gasoline-powered tractor
William Stewart Halsted, the Surgeon-in-Chief of Johns Hopkins Hospital, invented the medical glove in an effort to make medical care safer and more sterile for patients and health care workers
310,000 telephones in the US
Increase in Patent Office
45,661 patents were issued
The vertical filing cabinet was invented by Edwin G. Seibels
The first modern fly-destruction device was invented by Robert R. Montgomery
the first electric hearing aid was invented by Miller Reese Hutchison
Arthur Scott, head of the Scott Paper Company creates paper towels
policeman Lester Wire invented the first red-green electric traffic lights
Lincoln Logs were invented by John L. Wright, son of famous American architect Frank Lloyd Wright
The grocery bag with handles was invented by Walter Deubener of St. Paul Minnesota
jungle gym was invented and patented by Sebastian Hinton of Chicago
a farmer named James Cummings and a draftsman named J. Earl McLeod co-invented and created the first designs
Richard G. Drew, an employee of the Minnesota Mining and Manufacturing Company (3M), invented the first masking tape, a two-inch-wide tan paper strip backed with a light, pressure-sensitive adhesive
he garbage disposal was invented by John W. Hammes. After eleven years of development, his InSinkErator company put his disposer on the market in 1968
Sam Foster invented and mass-produced the first tinted eyewear pieces solely intended to block out sunlight.
While the trampoline is an old invention which relied on crude and flawed designs, the modern trampoline was invented by George Nissen and Larry Griswold
While working at Bell Labs, George Stibitz, who is internationally recognized as the father of the modern digital computer, built the world's first relay-based computer which calculated binary addition
Cooking food with microwaves was discovered by Percy Spencer
After a car accident that his family was involved in, Hetrick drew sketches of compressed air stored in a container.
The first practical professional videotape machines were the Quadruplex videotape machines introduced by Ampex
an American woman named Teri Pall invented the cordless telephone
The first voicemail system, known as the Speech Filing System (SFS), was invented by Stephen J. Boies
