Inventor

SMITHGALL DAVID H

US4 patents

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

AT & T BELL LAB

2 patents

US5316562AMay 31, 1994

Optical fiber tension monitoring technique

AT & T BELL LAB31 citations87

US5228893AJul 20, 1993

Optical fiber tension monitoring technique

AT & T BELL LAB29 citations87

LUCENT TECHNOLOGIES INC

2 patents

US5828448AOct 27, 1998

Method and apparatus for distinguishing between defects in an optical fiber coating

LUCENT TECHNOLOGIES INC12 citations69

US5786891AJul 28, 1998

Method and apparatus for detecting defects in an optical fiber coating

LUCENT TECHNOLOGIES INC12 citations69