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US Patent: 325,533
Carpenter's Rule
Patentee: William H. Greene (exact or similar names) - Lowell, MA USPTO Classifications: 33/473 Tool Categories: rules : folding rules layout tools : bevels Assignees: None Manufacturer: Lowell Rule Co. - Lowell, MA Witnesses: Albert M. Moore Herbert R. White	Patent Dates: Applied: Oct. 04, 1884 Granted: Sep. 01, 1885 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Rule which allows one leg to move and slide with a wedge mechanism that allows it to be locked into any position desired.

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