BG

Bernard Lionel Gien

Overall (2003): #74,812 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6550554 Rock drill 2003-04-22
6543557 Drill hammer assembly 2003-04-08