This site is dedicated to preserving the 52 year history of Chicago's LANGSON MFG. CO. and the Amazing Inventions of it's founder Otto A. Langos, & Family.
LANGSON MFG. CO. - LMCO from 1933 to 1975Manufacturers of Tools, Dies, Stampings & Toys
See below 28 amazing Otto Langos & family US Patent's covering an incredibly diverse range of inventions which include a flashligh switch, hair curling iron, food cooker, paper buster's and many many more! Otto's influence reached not only out to his sons who had several patents of their own, but incredibly a century 100 into the future to his great grandson who was issued US Patents 100 years after Otto's first patent.
Click On any of the patent numbers below to view it in full at the US Patent & Trademark Office website.
1904 US Patent # 752,015 1911 US Patent # 1,004,043 1913 US Patent # 1,051,095 1917 US Patent # 1,220,242
RAILROAD TRACK SWITCH #1- Here is Otto's First US Patent and the incredible significance of it is that before this invention, the engineer would have to stop the train to get out and pull a lever to switch the tracks. This patent switches them from the moving train, a very important breakthrough! What else Otto had to do with the railroad and the level of success he had with this patent if any, is yet unknown.
1911 Brings Otto's 1st Paper Buster patent.
Machine for Applying Stays to Soft metal Tubes
Automatic Air Torpedo
1920 US Patent # 1,334,867 1923 US Patent # 1,448,754 1923 US Patent # 1,470,106 1926 US Patent # 1,600,826
1931 US Patent # 1,821,184 1933 US Patent # 1,930,450 1935 US Patent # 2,008,915 1936 US Patent # 2,058,241
1936 US Patent # D102,382 1937 US Patent # 2,083,535 1938 US Patent # D110,750 1939 US Patent # 2,179,662
1941 US Patent # 2,265,606 1943 US Patent # 2,317,539 1944 US Patent # 2,355,595 1947 US Patent # 2,421,629
1953 US Patent # 2,634,549 1953 US Patent # 2,637,941 1953 US Patent # 2,641,868 1956 US Patent # 2,734,190
1949 US Patent # D153,612 1949 US Patent # 2,490,991 1949 US Patent # D156,438 1951 US Patent # Re 23,386
