Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458143 | System for centering a workpiece on the central axis of a cylindrical bore | Robert B. Wiseman, David E. Weeks | 2008-12-02 |
| 7043835 | Method for centering a workpiece on the cylindrical axis of a bore | Robert B. Wiseman, David E. Weeks | 2006-05-16 |
| 6880452 | Spring standoff for a reciprocating device | Robert B. Wiseman, Reuven Unger, David E. Weeks, Woo-Suk Chung | 2005-04-19 |