Inventor

PLUNKETT JOHN M

US3 patents

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

PLUNKETT JOHN M

1 patent

US8725605B1May 13, 2014

Method and system for managing service accounts

PLUNKETT JOHN M42 citations84

OBERBERGER MICHAEL M

1 patent

US10740753B2Aug 11, 2020

Gaming system with secure electronic payment coupon redemption

OBERBERGER MICHAEL M2 citations70

VIDEO GAMING TECH INC

1 patent

US12475455B2Nov 18, 2025

Gaming system with secure electronic payment coupon redemption

VIDEO GAMING TECH INC0 citations59