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Patent number:
Patent Date:
US Patent: 409,324
Perforating-stamp
Patentee:
Christian C. Hill (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
234/100
,
400/137
Tool Categories:
trade specific
:
office worker
Assignees:
Hill Mfg. Co.
- Chicago, IL
Manufacturer:
B. F. Cummins Co.
- Chicago, IL
Witnesses:
Edmund Adcock
H. M. Munday
Patent Dates:
Applied:
Dec. 22, 1887
Granted:
Aug. 20, 1889
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
YouTube video of perforator restoration
Description:
This patent number was seen on a "No. 2 Perforator" from B. F. Cummins Co.
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