Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
DG Patent: DG-123,302
Rohrzange
Patentee:
Fritz Lange (exact or similar names) - Cannstatt, Germany

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Granted: Sep. 18, 1899

Patent Pictures:
D.R.G.M. 123302 - composite edited image
Report data errors or omissions to steward Stan Schulz
Description:
Hinged toothed jaw segments grip pipe at three points.

The image is a composite of the PATENTBLATT entry and parts of a "review" from a trade journal.

Original archives for GEBRAUCHSMUSTER "patent registrations" prior to the mid-1930s are "lost or tossed."

Copyright © 2002-2025 - DATAMP