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US Patent: 584,803
Plumb Bob
Patentee: Samuel W. Wilcox (exact or similar names) - Mendon, MA USPTO Classifications: 33/393 Tool Categories: layout tools : plumb bobs Assignees: None Manufacturer: Not known to have been produced Witnesses: George H. Whittemore Thomas G. Gillman	Patent Dates: Applied: Feb. 06, 1897 Granted: Jun. 22, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: A frame and reel is independent of the plumb bob to prevent tangling and knotting.

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