US Patent: 1,259,132 - Portable electric tool


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US Patent: 1,259,132

Portable electric tool

Patentee:

Emil Ritz, Jr. (exact or similar names) - Cincinnati, OH

USPTO Classifications:

310/90, 384/252, 451/340, 451/344, 451/415, 464/157, 464/178

Tool Categories:

handheld power tools : handheld grinders

Assignees:

Hisey-Wolf Machine Co. - Cincinnati, OH

Manufacturer:

Hisey-Wolf Machine Co. - Cincinnati, OH

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 23, 1917
Granted:	Mar. 12, 1918

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Hisey-Wolf Machine Co.

Description:

This patent has the same goal as patent 1,241,659, which is to produce a handheld grinder where the grinder shaft can easily be replaced by one of a different length.