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US Patent: 634,968
Caliper Gage
Patentee: George M. Van Valkeburg (exact or similar names) - Forest, ON Canada USPTO Classifications: 33/800, 33/801 Tool Categories: layout tools : calipers Assignees: None Manufacturer: Not known to have been produced Witnesses: F. M. Schowalter V. D. Kinner George W. Harvey James Haney	Patent Dates: Applied: Jul. 08, 1899 Granted: Oct. 17, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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