Inventor

ELSTON JOEL A B

US2 patents

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

ABB AUTOMATION INC

1 patent

US6507184B1Jan 14, 2003

Methods and apparatus for differential current measurement in a three-phase power system

ABB AUTOMATION INC64 citations89

ABB INC

1 patent

US6686857B2Feb 3, 2004

Information dependent data transmission for pilot protective relays

ABB INC10 citations64