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US Patent: 73,536
Improvement in circular-saw mills
Patentee: John L. Knowlton (exact or similar names) - Philadelphia, PA USPTO Classifications: 83/433, 83/436.15 Tool Categories: woodworking machines : circular saws : circular sawmills woodworking machines : sawmills : circular sawmills Assignees: None Manufacturer: John L. Knowlton - Sharon Hill, PA Witnesses: C. B. Pottenger Joseph A. Turnbull	Patent Dates: Granted: Jan. 21, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Knowlton, Smith & Co.

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