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US Patent: 206,534
Improvement in the manufacture of compound lumber
Patentee:
William E. Brock (exact or similar names) - New York, NY

USPTO Classifications:
144/359, 144/371

Tool Categories:
woodworking machines : specialty woodworking machines : wood compressing machines

Assignees:
Jane Thompson - Brooklyn, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 31, 1878
Granted: Jul. 30, 1878

Patent Pictures:
USPTO (New site tip)
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Description:
This machine forms tongues and grooves by compressing rather than cutting the wood. See also patent 183,042.

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