Inventor
HEGARTY JOHN
IE18 patents
⚠️ This page may combine multiple inventors who share the name “HEGARTY JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AQUA STORAGE RETAINERS LTD
4 patentsAMERICAN TELEPHONE & TELEGRAPH
3 patentsUS4820016AApr 11, 1989
Waveguide-containing communications and sensing systems
AMERICAN TELEPHONE & TELEGRAPH84 citations96
US4762384AAug 9, 1988
Optical systems with antireciprocal polarization rotators
AMERICAN TELEPHONE & TELEGRAPH20 citations82
US4671621AJun 9, 1987
Optical systems with antireciprocal polarization rotators
AMERICAN TELEPHONE & TELEGRAPH19 citations69