Charles W. Haggans

Follow

Person

Woodbury, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Boron-doped optical fiber
- Patent number 6,058,231
- Issue date May 2, 2000
- 3M Innovative Properties Company
- Charles W. Haggans
- G02 - OPTICS
Information Patent Grant
Waveguide narrowband rejection filter
- Patent number 6,005,999
- Issue date Dec 21, 1999
- 3M Innovative Properties Company
- Harmeet Singh
- G02 - OPTICS
Information Patent Grant
Depressed cladding fiber design for reducing coupling to cladding m...
- Patent number 5,852,690
- Issue date Dec 22, 1998
- Minnesota Mining and Manufacturing Company
- Charles W. Haggans
- G02 - OPTICS