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US Patent: 2,039,226
Watchmakers Calipers
Patentee: John E. Kampe (exact or similar names) - Waltham, MA USPTO Classifications: 33/203.1 Tool Categories: trade specific : watchmaker Assignees: None Manufacturer: John E. Kampe - Waltham, MA Witnesses: Unknown	Patent Dates: Applied: May 02, 1935 Granted: Apr. 28, 1936 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: This was a improvement to Kampe's earlier patent848831Kampe was a Swedish immigrant who also made his own tools for sale

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