Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 68,961
Improvement in Adjustable Spirit Levels
Patentee:
Leonard L. Davis (exact or similar names) - Springfield, MA

USPTO Classifications:
33/375, 33/388

Tool Categories:
layout tools : levels : metallic levels

Assignees:
None

Manufacturer:
L. L. Davis - Springfield, MA
Davis Level & Tool Co. - Springfield, MA

Witnesses:
F. S. Bacon
Geo. B. Pierce

Patent Dates:
Granted: Sep. 17, 1867

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen.
Vintage Machinery entry for Leonard L. Davis
Description:
Known example (pic 3) by Davis Level & Tool Co.

Copyright © 2002-2024 - DATAMP