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US Patent: 336,915
Hose Spanner
Patentee:
Frederic W. Gray - Leominster, MA

USPTO Classifications:
81/176.3

Tool Categories:
wrenches : firehose and hydrant wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred L. Emery
John F. C. Preinkert
Cephas Derby
A. L. Burdett

Patent Dates:
Applied: Apr. 15, 1885
Granted: Mar. 02, 1886

Patent Pictures:
Frederic W. Gray patent March 2, 1886
USPTO pdf tiff
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Description:
This spanner is for fire hose with external lugs on the connectors. The design has a couple of alternate means for holding the tool on the lug fitting.

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