DL

David Lamb

AE Alterra Energy: 1 patents #1 of 2Top 50%
CP Canadian Occidental Petroleum: 1 patents #1 of 2Top 50%
EL Esso Resources Canada Limited: 1 patents #1 of 2Top 50%
GL Gulf Canada Resources Limited: 1 patents #3 of 4Top 75%
HL Hbog-Oil Sands Limited: 1 patents #1 of 2Top 50%
HR Her Majesty The Queen In Right Of The Province Of Alberta, As Represented By The Minister Of Energy And Natural Resources: 1 patents #1 of 2Top 50%
PL Pan Canadian Petroleum Limited: 1 patents #1 of 2Top 50%
PE Petro-Canada: 1 patents #1 of 5Top 20%
📍 Medford, MA: #6 of 19 inventorsTop 35%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #122,627 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4863009 Control system for an endless belt conveyor train Gordon R. Winkel 1989-09-05