Inventor

KUMMER RAYMOND B

3 patents

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

BELL TELEPHONE LABOR INC

2 patents

US4223978ASep 23, 1980

Mechanical optical fiber switching device

BELL TELEPHONE LABOR INC37 citations90

US4286979ASep 1, 1981

Fabrication of optical fibers using differential mode-group delay measurement

BELL TELEPHONE LABOR INC32 citations88

AT & T BELL LAB

1 patent

US5130535AJul 14, 1992

Methods of and apparatus for measuring bending loss along a length of optical fiber

AT & T BELL LAB38 citations84