Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6046452 | Process and system for flame detection | David A. Castleman, Theodore R. Lapp | 2000-04-04 |
| 5949235 | System and method for detection and control of ungrounded parts in a production coating line | David A. Castleman, Anthony Brendan Williams | 1999-09-07 |
| 5773826 | Flame detector and protective cover with wide spectrum characteristics | David A. Castleman | 1998-06-30 |