Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D293462 | Fuel dispensing nozzle | Eric J. Butterfield, Robert D. Roberts | 1987-12-29 |
| 4697624 | Vapor recovery nozzle | Eric J. Butterfield, Robert D. Roberts | 1987-10-06 |
| 4649970 | Magnetically actuated vapor valve | Robert D. Roberts | 1987-03-17 |
| 4523700 | Low flow control nozzle | Gary L. Weeks | 1985-06-18 |
| 4206791 | Fluid dispensing nozzle | — | 1980-06-10 |