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US Patent: 68,698
Edge Tool Grinder
Patentees:
Charles Coester, Jr. (exact or similar names) - Bridgeport, CT
A. B. Lawther (exact or similar names) - Bridgeport, CT

USPTO Classifications:
451/436

Tool Categories:
metalworking machines : grinders : tool grinders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. T. Blake
Philo F. Barnum
Theodore Tusche
J. A. Service
Patent Dates:
Granted: Sep. 10, 1867

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Munn & Co.- patent attorneys

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