Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 7,499X
Improvement in plows
Plough
Patentees:
Daniel Miller (exact or similar names) - Lancaster, PA
Henry Spiehlman (Spielman) (exact or similar names) - Lancaster, PA

USPTO Classifications:
172/747, 172/753

Tool Categories:
agricultural : plows

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 25, 1833

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.

Copyright © 2002-2024 - DATAMP