no one knows
AT command set for controlling and setting up modems. He did not invent modems. Bell Labs had invented them long before that. The first modems were used on the SAGE air defense computer system starting in 1958 on dedicated leased lines. In the 1960s Bell Labs invented the dial up modem to allow access to the tymesharing mainframe computers, which were widely used before microcomputers became available.
1911
1955
1951
In 1902 Willis H Carrier invented the modern air conditioner.
Air conditioning was invented in the year of 1902. It was invented in Buffalo, New York by an American inventor named Willis Carrier.
1396
hanger
The first form of air transport was invented by the Montgolfier brothers in the year 1783. The invented the hot air balloon and did their first flight on November 21 in 1783.
1970's
air conditioning.
NO- Roosevelt had no known connection to the invention of air crafts. He did show an early interest in airplanes.