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US Patent: 893,897
Endless chain saw
Patentee: Samuel J. Bens (exact or similar names) - San Francisco, CA USPTO Classifications: 30/385, 83/832 Tool Categories: woodworking machines : other wood sawing machines Assignees: West Coast Machinery Co. - San Francisco, CA Manufacturer: Not known to have been produced Witnesses: M. R. Seely W. S. Boyd	Patent Dates: Applied: Feb. 23, 1906 Granted: Jul. 21, 1908 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patent 780,476. The improvements are aimed at making the chain more effective in cutting very large redwoods.

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