2 trademarks were found for owners matching the name Mark Heffernan.
#
1 TM: 617509
Desc: DR. KNOW
Owner: Brandon Carp, Deborah Blashki-Heffernan, Mark Heffernan
Class: 16
Status: Lapsed: Registration fee not paid on time
2 TM: 617510
Desc: DR. KNOW
Owner: Brandon Carp, Deborah Blashki-Heffernan, Mark Heffernan
Class: 41
Status: Lapsed: Registration fee not paid on time