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Patent number:
Patent Date:
US Patent: 728,423
Floor surfacer, cleaner, and polisher
Patentees:
Samuel B. Zimmer (
exact
or
similar
names) - Oakland, CA
John H. Prugh (
exact
or
similar
names) - Oakland, CA
Aaron T. Spence (
exact
or
similar
names) - Alameda, CA
USPTO Classifications:
451/352
Tool Categories:
woodworking machines
:
sanding machines
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Fred B. Wood
Henry Parker
Patent Dates:
Applied:
Feb. 24, 1902
Granted:
May 19, 1903
Reissue Information:
Reissued as
RE12,681
(Aug. 20, 1907)
Patent Pictures:
USPTO
(New site tip)
Google Patents
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