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Patent number:
Patent Date:
US Patent: 472,495
Pneumatic tool
Patentee:
Daniel Drawbaugh (
exact
or
similar
names) - Eberly's Mills, PA
USPTO Classifications:
173/136
,
173/212
,
91/320
Tool Categories:
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Ernest Marx
John A. Herman
Patent Dates:
Applied:
Dec. 07, 1891
Granted:
Apr. 05, 1892
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Daniel Drawbaugh
Description:
This patent was subsequently improved in patent
504,802
.
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