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Imperial Glass Mark
Date: 04/19/13
Views: 1949
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Imperial Glass Trademark (1951-1972)
Date: 01/31/18
Views: 263
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Imperial Glass Trademark (A and L added) 1981-1982
Date: 01/31/18
Views: 265
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Imperial Glass Trademark (Lenox L added) 1973-1981
Mostly on slag glass.
Date: 01/31/18
Views: 352
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Imperial Glass Trademark (new Imperial) 1983
Date: 01/31/18
Views: 207
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Imperial Glass Trademark (patent granted June 1, 1914)
Date: 01/31/18
Views: 280
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Imperial Glass Trademark cross anchors (patent granted June 1, 1914)
Date: 01/31/18
Views: 3730
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Iroquois Glass, Canada glass mark c 1914
Date: 01/31/18
Views: 245
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J. B. Higbee mark on glass (bee Trademark)
Date: 01/31/18
Views: 386
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Kedaung Industrial Group 1969-present
Date: 01/31/18
Views: 612
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Levay Intaglio Signature
Ca. 1994
Date: 03/04/19
Views: 924
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Owens-Illinois Duraglas Trademark (eye in diamond)
Owens-Illinois produced the Duraglas line. This is a Trademark used mostly on votive candle holders.
Date: 02/04/18
Views: 335
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Owens-Illinois Trademark (circle and eye in diamond)
Date: 02/04/18
Views: 328
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Viking Art Glass Mirror Images Trademark - 1980s
Mark found on old Westmoreland designs made by Viking in the 1980s
Date: 02/04/18
Views: 274
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