Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002203 | Fire fighting nozzle and method including pressure regulation, chemical and eduction features | Dennis Crabtree, Dwight P. Williams | 2011-08-23 |
| 7140552 | System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit | Dennis Crabtree, Dwight P. Williams | 2006-11-28 |
| 6659187 | Self metering foam proportioning system | Dennis Crabtree, Eric LaVergne | 2003-12-09 |