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US Patent: 3,253,476
Variable speed drill
Patentee:
Emery Olah (exact or similar names) - St. Charles, IL

USPTO Classifications:
192/48.92, 192/81R, 74/357, 74/368

Tool Categories:
handheld power tools : handheld power drills

Assignees:
Portable Electric Tools, Inc. - Chicago, IL

Manufacturer:
Portable Electric Tools, Inc. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 20, 1963
Granted: May 31, 1966

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Portable Electric Tools, Inc.

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