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US Patent: 2,919,901
Drill system with suction
Patentee:
Robert L. Sandvig (exact or similar names) - Whittier, CA

USPTO Classifications:
173/138, 173/60, 173/97, 175/206, 175/213

Tool Categories:

Assignees:
Thor Power Tool Co. - Aurora, IL

Manufacturer:
Thor Power Tool Co. - Aurora, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 25, 1957
Granted: Jan. 05, 1960

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Thor Power Tool Co.

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