Christopher Carl Steffes

Follow

Person

Portland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multimedia data communications system
- Patent number 6,337,856
- Issue date Jan 8, 2002
- Steelcase Development Corporation
- Jeffrey Alan Schanhals
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for establishing a data link between a portabl...
- Patent number 6,298,047
- Issue date Oct 2, 2001
- Steelcase Development Inc.
- Christopher Carl Steffes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE