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US Patent: 1,531,357
Micrometer caliper
Patentee:
Herbert E. Tautz (exact or similar names) - Milwaukee, WI

USPTO Classifications:
33/794

Tool Categories:

Assignees:
Elisha Jesse Cady - River Forest, IL

Manufacturer:
E. J. Cady & Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 07, 1924
Granted: Mar. 31, 1925

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
Description:
The inventor Tautz, who went on to found Delta Mfg. Co., is described as a citizen of Germany.

The caliper is intended for measuring paper stock to within 0.001 inch.

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