Inventor

KETELSEN LEONARD J

US3 patents

⚠️ This page may combine multiple inventors who share the name “KETELSEN LEONARD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T BELL LAB

2 patents

US5111475AMay 5, 1992

Analog optical fiber communication system, and laser adapted for use in such a system

AT & T BELL LAB26 citations91

US5012484AApr 30, 1991

Analog optical fiber communication system, and laser adapted for use in such a system

AT & T BELL LAB34 citations89

AT & T CORP

1 patent

US5506859AApr 9, 1996

Article comprising a DFB laser with loss coupling

AT & T CORP13 citations71