Inventor

ENGLE WILLIAM N

US4 patents

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

TRIALCARD INC

2 patents

US7925531B1Apr 12, 2011

Method of delivering goods and services via media

TRIALCARD INC47 citations94

US8055542B1Nov 8, 2011

Method of delivering goods and services via a variable value media

TRIALCARD INC10 citations81

CUNNINGHAM DAVID W

1 patent

US8407095B2Mar 26, 2013

Method of delivering a pharmaceutical product via a medium

CUNNINGHAM DAVID W3 citations60

TRIALCARD SYSTEMS INC

1 patent

US8589184B2Nov 19, 2013

Method of delivering goods and services via media

TRIALCARD SYSTEMS INC2 citations58