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Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

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Assignee: Bath-Ladd Corporation

Location: Philadelphia, PA
No. of patents: 1

Number	Title	Issue Date
4162544	Safety railing A safety railing for attachment to a wall comprised of a generally triangular frame with the corners of the triangle having a generally curvilinear shape. At least one gripping bar extends between and is attached to two sides of the triangular frame. A me...	07/31/1979