JP

Joseph Purcell

ML Minroc Technical Promotions Limited: 2 patents #1 of 1Top 100%
Overall (2011): #89,833 of 364,097Top 25%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7987930 Drill bit assembly for fluid-operated percussion drill tools — 2011-08-02
7975784 Drill bit assembly for fluid-operated percussion drill tools — 2011-07-12