Top Inventors at Spotless Plastics Pty. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Stanley F. Gouldson | 127 |
| 2 | Olaf Olk | 27 |
| 3 | Roland Harmer | 19 |
| #4 | David J. Marshall | 15 |
| #5 | Joseph C. Hollis | 8 |
| #6 | Ronald M. Wilson | 5 |
| #7 | Robert Maiorca | 3 |
| #8 | William W. Bush | 3 |
| #9 | Jeffrey Sollanek | 2 |
| #10 | John Mazza | 2 |
| #11 | Brook Talbot-Titley | 1 |
| #12 | Glenn Zimmerman | 1 |
| #13 | Ralph Pena | 1 |
| #14 | Bernard Cantature | 1 |
| #15 | Robert Bortolus | 1 |