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Patent number:
Patent Date:
US Patent: 18,569
Device for forming round tenons on window-blind slats
Patentee:
Thomas C. Ball (
exact
or
similar
names) - Keene, NH
USPTO Classifications:
144/199
,
408/41
Tool Categories:
woodworking machines
:
joint making machines
:
tenoning machines
woodworking machines
:
specialty woodworking machines
:
windowblind machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
F. P. Hale, Jr.
R. H. Eddy
Patent Dates:
Granted:
Nov. 10, 1857
Patent Pictures:
USPTO
(New site tip)
Google Patents
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