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.
Silencers were invented by Hiram Percy Maxim. His father invented the first working modern machine gun. H.P. Maxim received his first patent in late March 1909. H.P. Maxim. Inventor of the Silencer. In 1934, congress passed the National Firearms Act which included silencers. This added a prohibitively expensive $200 transfer tax and registration scheme to an item that typically sold for less than $5.