Assignee
- Petro-Canada Exploration
- Her Majesty The Queen In Right Of The Province Of Alberta, Government Of The Province Of Alberta, Department Of Energy And Natural Resources, Alberta Syncrude Equity
- Pan Canadian Petroleum Limited
- Esso Resources Canada Limited
- Canada-Cities Service
- Gulf Canada Resources Limited
Inventors
- Lloyd W. Trevoy (2 patents)
- Alvin Maskwa (2 patents)