Some Common Bottle Marks and Their Manufacturers

	Chattanooga Glass Co, Chattanooga, TN. Since 1927
	Glenshaw Glass Co, Glenshaw, PA. Adapted in 1932 More about dating Glenshaw Glass.
	Knox Glass Bottle Co, Knox, PA. 1924-1968
	Knox Glass Bottle Co, Sheffield, PA. 1932-1951
	Knox Glass Bottle Co, Pittsburgh, PA. 1932-1951
	Knox Glass Bottle Co, Jackson, MS. 1932 to 1953 or later.
	Latchford Glass Co, Los Angeles, CA. Since 1957
	Latchford Marble Glass Co, Los Angeles, CA. 1939-1957
L G W	Laurens Glass Works, Laurens, SC. Since 1913 Note: Exact date of manufacture was separated by the letters, ex: 1939 would be 3 LGW 9
L. G.	Liberty Glass Co, Sapulpa, OK. 1924-1946
L - G	Liberty Glass Co, Sapulpa, OK. 1946-1954
L G	Liberty Glass Co, Sapulpa, OK. Since 1954 (no punctuation)
	Lincoln Container Corp, Lincoln, IL. Since 1953
M G	Maywood Glass Co, Compton, CA. Circa 1930
MG	Maywood Glass Co, Compton, CA. Circa 1940
	Maywood Glass Co, Compton, CA. Circa 1950
	Oil City Glass and Bottle Co, Oil City, PA. 1930-1952
	Oil City Glass and Bottle Co, Oil City, PA. 1952-1969
	Owens-Illinois Glass Co, Toledo, OH. 1929-1954 Note: "1" = Plant Number. "2" = Date. "3" = Mold Details. Owens-Illinois Plant Numbers and Dates.
Duraglas	Owens-Illinois Glass Co, Toledo, OH. Since 1940
	Owens-Illinois Glass Co, Toledo, OH. Since 1954
	Pennsylvania Bottle Co, Sheffield and Wilcox, PA. 1940-1952
Info from: Collecting Applied Color Label Soda Bottles, Third Edition, pages 67-70. Published by the PSBCA.