Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9427889 | Process and system for colouring plastics moulding compositions | Andreas Kluge, Simon Becht, Thorsten Goldacker, Michael Jucys, Ursula Golchert +1 more | 2016-08-30 |
| 5875861 | Different stiffness energizers for MF seals | Jeffery E. Daly, David E. Pearce | 1999-03-02 |
| 5465800 | Rolling cutter drill bits | David E. Pearce | 1995-11-14 |