Thomas Keller

Follow

Person

Osterronfeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Holder for flat workpieces, particularly semiconductor wafers
- Patent number 6,767,276
- Issue date Jul 27, 2004
- Peter-Wolters CMP-Systeme GmbH & Co. KG
- Thomas Keller
- B24 - GRINDING POLISHING
Information Patent Grant
Holder for flat workpieces, particularly semiconductor wafers
- Patent number 6,709,323
- Issue date Mar 23, 2004
- Peter Wolters CMP-Systeme GmbH & Co. KT
- Thomas Keller
- B24 - GRINDING POLISHING
Information Patent Grant
Holder for flat subjects in particular semiconductor wafers
- Patent number 6,093,091
- Issue date Jul 25, 2000
- Peter Wolters Werkzeugmaschinen GmbH
- Thomas Keller
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Device for the chemical-mechanical polishing of an object, in parti...
- Patent number 6,050,885
- Issue date Apr 18, 2000
- Peter Wolters Werkzeugmaschinen GmbH
- Georg Morsch
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Holder for flat workpieces, particularly semiconductor wafers
- Publication number 20020074478
- Publication date Jun 20, 2002
- Thomas Keller
- B24 - GRINDING POLISHING
Information Patent Application
Holder for flat workpieces, particularly semiconductor wafers
- Publication number 20020077051
- Publication date Jun 20, 2002
- Thomas Keller
- B24 - GRINDING POLISHING