The first electric garage door opener was invented by C.G. Johnson in the year 1926 in India, Hartford City. Before that the electric garage door opener wasn't very popular.
Electric can openers were invented in the early 1950's
In 1926, Mr. Johnson also invented the electric door opener, to assist those who had trouble lifting the heavy wooden door.
Because there were no suitable small electric motors available.
Type your answer here... Invented in 1926 but not popular until after WWII with the increase in housing and automotive sales.
The same as a manual can opener: opening the lid on a can.
The can!
He invented the first patented can opener.
100
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1858
Ezra Warner was the inventor of the first can opener. He invented the can opener in the year 1858. Ezra was from Waterbury, Connecticut.