Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8779323 | Electrode for plasma torch with novel assembly method and enhanced heat transfer | Koustubh Dnyandeo Ashtekar, David C. Griffin, Gregory W. Diehl | 2014-07-15 |
| 8633417 | Electrode for plasma torch with novel assembly method and enhanced heat transfer | Koustubh Dnyandeo Ashtekar, David C. Griffin, Gregory W. Diehl | 2014-01-21 |
| 6427894 | Electrode wire feeder for an arc welding system | Leon Blank, David C. Griffin | 2002-08-06 |
| D437553 | Apparatus packaging enclosure | David C. Griffin | 2001-02-13 |
| 6170687 | Apparatus packaging enclosure | David C. Griffin | 2001-01-09 |
| 5747773 | Arc welder power source | David C. Griffin, Richard Eldridge, William R. Klingbeil | 1998-05-05 |
| 4897858 | Nuclear fuel pellet collating system and method | Stuart L. Rieben, Ralph Kugler, Joseph J. Scherpenberg | 1990-01-30 |
| 4842808 | Nuclear fuel pellet collating system | Stuart L. Rieben, Ralph Kugler, Joseph J. Scherpenberg, James L. Fogg | 1989-06-27 |
| 4667124 | Wedge removal saw apparatus for a dynamoelectric machine | Fred Kirschensteiner | 1987-05-19 |
| 4621850 | Coil removal apparatus for a dynamoelectric generator | Fred Kirschensteiner | 1986-11-11 |
| 4587824 | Conductor bundle edge-bending tool for a dynamoelectric generator | Fred Kirschensteiner | 1986-05-13 |
| 4580325 | Winding temporary positioning apparatus for a dynamoelectric generator | Fred Kirschensteiner | 1986-04-08 |