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US Patent: 1,497,136
Saw Gauge
Patentees: Wallace Douma (exact or similar names) - Grand Rapids, MI James Douma (exact or similar names) - Grand Rapids, MI USPTO Classifications: 33/371, 33/419, 7/150 Tool Categories: woodworking tools : handsaws : saw sharpening tools : saw gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1923 Granted: Jun. 10, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen

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