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US Patent: 535,420
Drilling and tapping machine
Patentee:
Edwin A. Searles - Battle Creek, MI

USPTO Classifications:
74/378

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses
metalworking machines : drilling and boring : tapping machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Oliver V. Pratt
W. Ledingham

Patent Dates:
Applied: Dec. 27, 1894
Granted: Mar. 12, 1895

Patent Pictures:
USPTO pdf tiff
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Description:
A search failed to turn up any evidence of where Searles was working, nor did we find any evidence this drilling and tapping machine was ever manufactured. In 1911 he was living in Detroit when he was granted patent 990,068 for a milling cutter.

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