Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,866,794
Lawn mower sharpening machine
Patentee:
Frank H. Bierman (exact or similar names) - Minneapolis, MN

USPTO Classifications:
451/114, 56/250

Tool Categories:
metalworking machines : grinders : sharpening machines
household : lawn mowers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 18, 1931
Granted: Jul. 12, 1932

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
Improvements to patent 1,444,100.

Copyright © 2002-2024 - DATAMP