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US Patent: 217,176
Improvement in apparatus for regulating pressure in fermenting-casks
Patentees:
Adam J. Ulscht - Rochester, NY
Andrew Linn - Rochester, NY
David Lang - Rochester, NY

USPTO Classifications:
137/557, 137/613, 137/625.19, 137/625.23, 222/394

Tool Categories:
specialty machines : brewing apparatus

Assignees:
None

Manufacturer:
Ulscht & Linn - Rochester, NY

Witnesses:
George B. Selden
W. M. Rebary, Jr.

Patent Dates:
Applied: Apr. 04, 1879
Granted: Jul. 01, 1879

Patent Pictures:
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"Vintage Machinery" entry for Ulscht & Linn
Description:
An 1884 book, "Commerce, Manufactures & Resources of Rochester, N.Y.", mentions that Ulscht & Linn manufactured "the firm's own Patent Pressure Regulator for Brewers, an invaluable invention to the manufacture of malt liquors."

Co-inventor David Lang was a cooper special in brewers' and wine casks.

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