DB

Donald Blake

AV Avco: 1 patents #81 of 228Top 40%
CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
Overall (All Time): #1,604,032 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6729480 Drill tool strap assembly 2004-05-04
4452037 Air purge system for gas turbine engine Clive Waddington, Normand L. Lagasse, Charles Kuintzle, Jr. 1984-06-05
4234063 Brake equipment 1980-11-18