Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,142,280
Leaf Separator for Springs
Patentees:
John H. Stevenson (exact or similar names) - Ann Arbor, MI
Frederick Knowlson (exact or similar names) - Ann Arbor, MI

USPTO Classifications:
184/14.1, 81/3.7

Tool Categories:
specialty tools : automotive tools : leaf spring spreaders and lubricators

Assignees:
Frederick Knowlson - Ann Arbor, MI

Manufacturer:
Spring Leaf Lubricator Co. - Ann Arbor, MI

Witnesses:
Thomas D. Kearney
Loretto Kahnbach

Patent Dates:
Applied: Feb. 14, 1912
Granted: Jun. 08, 1915

Patent Pictures: [ 1 | 2 | 3 | 4 ]
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Martin J. Donnelly Antique Tools

Copyright © 2002-2024 - DATAMP