Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803367 | Spray gun | Tony Heard, Andrew Christopher Edge, Rowland C. Smith, Neville T. Pettit | 1998-09-08 |
| 5460203 | Air valve | Rowland C. Smith | 1995-10-24 |
| 5259558 | Indexing air cap | Rowland C. Smith | 1993-11-09 |
| 5102051 | Spray gun | Rowland C. Smith, David Whitby | 1992-04-07 |
| 4606501 | Miniature spray guns | Rowland C. Smith | 1986-08-19 |