UNT Libraries Government Documents Department - 3 Matching Results

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Air Brake Attachment.
Patent for "mechanism for use in connection with railway cars for automatically controlling the air brakes," including instructions and illustrations.
Indicator for Merchandise.
Patent for a new and improved advertising sign. This design "relates to apparatus or devices for marking or indicating upon the outside of boxes or drawers the names and prices of the merchandise or other articles contained therein; and it consists in the improved construction and combination of parts of a device of the above-mentioned class" (lines 23-29).
Pie-Plate Lifter
Patent for a pie plate lifter used to handle pie plates or other utensils should they be too hot. Illustrations included.
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