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US Patent: 2,519,620
Gripping and tensioning device for rubbing pad abrading sheets
Patentees: Bohumil J. Zitek (exact or similar names) - Chicago, IL Pater Zasadny (exact or similar names) - Chicago, IL USPTO Classifications: 451/500, 451/518 Tool Categories: handheld power tools : handheld power sanders woodworking machines : sanding machines : handheld power sanders Assignees: Porter-Cable Machine Co. - Syracuse, NY Manufacturer: Porter-Cable Machine Co. - Syracuse, NY Witnesses: Unknown	Patent Dates: Applied: Feb. 07, 1949 Granted: Aug. 22, 1950 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Porter-Cable Machine Co.
Description: This patent number was seen on a Porter-Cable Model 145 pad sander.

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