If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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92,288
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Jul. 06, 1869
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Improvement in scroll-sawing machines
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William H. Dobson |
Medina, NY |
A highly ornate version of this scrollsaw is seen in an 1872 ad for Rochester Machinery Co., "established 1869". An 1880 ad for Ulscht & Linn features the same saw. The ad says, "Manufacturers of the DOBSON JIG SAW." |
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111,328
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Jan. 31, 1871
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Improvement in scroll-saws
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William H. Dobson |
Rochester, NY |
Design was subsequently improved in patent 114,778.
The "Dobson Patent Scroll Saw" was mentioned as a successful product in an article about Ulscht & Linn that appeared in the 1881 "Commerce, Manufactures & Resources of Rochester, N. Y." |
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217,176
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Jul. 01, 1879
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Improvement in apparatus for regulating pressure in fermenting-casks
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Adam J. Ulscht |
Rochester, NY |
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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Improvement in apparatus for regulating pressure in fermenting-casks
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Andrew Linn |
Rochester, NY |
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Improvement in apparatus for regulating pressure in fermenting-casks
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David Lang |
Rochester, NY |
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