Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647924 | Electrical initiator | Mark Lucas Avory, William David Fahey, Stewart Shannon Fields, Charles John Piper, III, David Whang | 1997-07-15 |
| 5648634 | Electrical initiator | Mark Lucas Avory, William David Fahey, Stewart Shannon Fields, Charles John Piper, III, David Whang +4 more | 1997-07-15 |