Inventor

MARSDEN JAMES

GB2 patents

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

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC

1 patent

US9681305B2Jun 13, 2017

System and method for multi-factor mobile user authentication

AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC15 citations79

FERTILE EARTH SYSTEMS INC

1 patent

US6997350B2Feb 14, 2006

Apparatus for adding fertilizer to water in an underground sprinkling system and fertilizer therefor

FERTILE EARTH SYSTEMS INC10 citations67