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Justrite Streamlined Markings | JUSTRITE STREAMLINED STAMPINGS - The stamping on the right is the early marking ca. 1930s with Charles Packer's design patent still pending. The later marking on the left shows Packer's patent No. 115,123 that was awarded on June 6, 1939 and excludes the Streamlined marking. This marking remained unchanged on Justrite Streamlined-style lamps into the 1970s. | Original Image |
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