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US Patent: 1,847,757
Hinge Connecton Folding Rule Hinge
Patentee: Herman M. Gasstrom (exact or similar names) - Mount Vernon, NY USPTO Classifications: 16/384, 16/387, 33/496 Tool Categories: rules : folding rules : folding rule joints Assignees: None Manufacturer: Unknown Witnesses: Unknown	Patent Dates: Applied: Jun. 25, 1927 Granted: Mar. 01, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Folding rule hinge where the hinge is not inset into the wood but rather attached on top of the wood. Adopted and used on some low cost rules. Eagle is one brand name seen with this hinge.

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