Membership
Tour
Register
Log in
Gerald Groetsch
Follow
Person
Furth, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Writing instrument with displaceable safety separator
Patent number
4,990,012
Issue date
Feb 5, 1991
J. S. Staedtler GmbH & Co.
Gerald Groetsch
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Clip of caps adapted to remove shaft
Patent number
4,952,088
Issue date
Aug 28, 1990
J. S. Staedtler GmbH & Co.
Gerald Groetsch
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES