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US Patent: 2,040,761
Spherical Boring Head
Patentee:
Anton Rothschmitt (exact or similar names) - Irvington, Essex County, NJ

USPTO Classifications:
72/123, 82/1.5

Tool Categories:
metalworking machines : drilling and boring : boring heads

Assignees:
Walter Kidde & Co., Inc. - Bloomfield, Essex County, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 20, 1933
Granted: May 12, 1936

Patent Pictures:
USPTO (New site tip)
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