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Patent number:
Patent Date:
US Patent: 106,919
Improvement in Hollow Augers
Patentee:
Austin F. Cushman (
exact
or
similar
names) - Hartford, CT
USPTO Classifications:
105/397
,
30/495
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
hollow bits
Assignees:
None
Manufacturer:
Douglass Mfg. Co.
- Seymour, CT
Witnesses:
George G. Sill
Louis P. Waldo
Patent Dates:
Granted:
Aug. 30, 1870
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Manufacturer information based on a flyer from the Douglass Manufacturing Company, dated May 1, 1873.
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