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US Patent: 2,331X
Spring Pen Ruler
Patentees:
T. M. Pomroy - Windsor, VT
Lemuel Hedge - Windsor, VT

USPTO Classifications:

Tool Categories:
rules

Assignees:
None

Manufacturer:
Pomroy & Hedge - Windsor, VT

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 21, 1815

Patent Pictures:
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Description:
Lemuel Hedge, patented a process for ruling blank book pages. On 03 Mar, 1817 (patent # 2,746X), he patented a revolving machine for the same purpose. He formed a partnership with Thomas Pomroy, the town printer, to manufacture these machines.

Only about 2000 of the almost 10000 X-patent documents were recovered.

Because of the Patent Office fire in Dec. 1836, little is known about this patent. There are no patent drawings available. This patent is in the database for reference only.

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