Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629627 | Level control systems for high purity chemical delivery systems | Craig M. Noah, John N. Gregg | 2003-10-07 |
| 6557593 | Refillable ampule and method re same | Craig M. Noah, John N. Gregg | 2003-05-06 |
| 6029717 | High aspect ratio containers for ultrahigh purity chemicals | John N. Gregg, Craig M. Noah | 2000-02-29 |
| 5878793 | Refillable ampule and method re same | Craig M. Noah, John N. Gregg | 1999-03-09 |
| 5711354 | Level control systems for high purity chemical delivery systems | Craig M. Noah, John N. Gregg | 1998-01-27 |
| 5607002 | Chemical refill system for high purity chemicals | Craig M. Noah, John N. Gregg | 1997-03-04 |
| 5590695 | Manifold systems for high purity chemical delivery systems | Craig M. Noah, John N. Gregg | 1997-01-07 |
| 5562132 | Bulk containers for high purity chemical delivery systems | Craig M. Noah, John N. Gregg | 1996-10-08 |
| 5465766 | Chemical refill system for high purity chemicals | Craig M. Noah, John N. Gregg | 1995-11-14 |