Fire-safe hotels and motels in Swedesboro, New Jersey: 1  Holiday Inn Select Bridgeport, 1 Pureland Dr I-295 Exit 10, Swedesboro, NJ 08085, Phone: (856) 467-3322, Fax: (856) 467-3031.
Quick Answer. The first working gun silencer was developed by Hiram P. Maxim in 1908, who started selling the first units when the invention was patented, in 1909. Hiram P. Maxim is the son of U.S. born inventor Hiram Smith Maxim who invented the first portable machine gun. Continue Reading.
Microphone were used with the first telephones, and then with radio transmitters soon after. Sir Charles Wheatstone was the first person to come up with the word âmicrophoneâ in 1827, but even so, it was Emile Berliner who invented the first microphone in 1876. Emile Berliner was born in Hanover, Germany in 1951. When he was 19, he moved to the United States in Washington.