Membership
Tour
Register
Log in
SFK, Inc.
Follow
Organization
Sentosa, SG
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Vibration-damped spring
Patent number
4,822,008
Issue date
Apr 18, 1989
SFK GmbH
Otmar Winkler
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
87261549 - DIAMONDS2
Serial number
87261549
Registration number
5503989
Filing date
Dec 8, 2016
SFK, Inc.
14 - Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes