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Marks and Labels on Glass (A special thanks to Mike Wasser for contributing all his many fine drawings!) a-e  |  f-im  |  in-lo  |  ma-ol  |  ow-ru |  ss-sa |  sc-vp |  w-z
To contribute images or clarify, contact Glass Lovers Glass Database
Walther Trademark - Germany - 1920's	Walther Trademark - Germany	Weishar Trademark (now Weishar Enterprises) Wheeling West Virginia - Mark on new glass	J. D. and Joseph Weishar Trademark - 1960's Wheeling West Virginia - Mark is usually accompanied by the Weishar name
	Westinghouse Trademark  (underlined W)	Westinghouse Trademark (underlined W in circle)	Westite Glass Trademark - 1930's Weston, WV
Westmoreland Trademark 1910-1929 This is the keystone mark used by WMG from 1910 -1929. Some of these molds were re-issued in the 1970's.	Westmoreland Trademark - 1917-27 Deep Cut Mark	Westmoreland Trademark 1949-1984	Westmoreland Trademark 1983-1984 In 1981 WMG had new owners. They used this mark from 1983-1984
Wheaton Glass aka American Wheaton Glass Corporation To contribute images or clarify, contact Glass Lovers Glass Database
Wheaton Trademark 1961 American Wheaton Glass Corporation	Wheaton Trademark Open Salts etc Mark found on open salts, etc - Millville NJ	Wheaton Trademark encircled W	Wheaton Trademark encircled underlined W
Wheaton Fine Glassware Trademark (W is made up of 3 square pillars)	Wheaton Village Trademark Millville NJ
Whitall Tatum Trademark 1920's-1930's The Whitall Tatum Company, or Whitall Tatum, was one of the first glass factories in America. Located in Millville, New Jersey, it operated from 1806 through 1938.  Made mostly bottles, insulators	Zimmerman Art Glass Company Trademark (B over Z) Mark for Bart Zimmerman	Zimmerman Art Glass Company Trademark 1963 Mark for Joe Zimmerman

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