Membership
Tour
Register
Log in
Hermann Wegener Schiffgraben
Follow
Organization
DE
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Method for preparing a filter medium
Patent number
4,296,056
Issue date
Oct 20, 1981
Hermann Wegener Schiffgraben
Alois J. Bumbalek
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks