Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317243 | Combined quick release holder and slip resistant grip for fire hoses | David R. Lancaster | 1991-06-04 |
| D312377 | Combined quick release holder and slip resistant grip for fire hoses | David R. Lancaster | 1990-11-27 |
| 4856834 | Fire hose gripping device and process for fighting fires in oil refineries and the like | David R. Lancaster | 1989-08-15 |