Patents per Year
Top Inventors at Oldcastle Architectural All Time
Showing 1–14 of 14 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Leonard Browning | 10 |
| 2 | Robert John Lundell | 8 |
| 3 | Stephane Beliveau | 4 |
| #4 | Brian Austin | 3 |
| #4 | David Skierkowski | 3 |
| #4 | Gregory Allen Jacot | 3 |
| #4 | Jason Rhees | 3 |
| #4 | John A. Fifield | 3 |
| #4 | Michael McVey | 3 |
| #4 | William Charles Leonhardt | 3 |
| #11 | David Rice | 1 |
| #11 | John Alan Kemp | 1 |
| #11 | Ronald J. Scherer | 1 |
| #11 | Steven E. Hinde | 1 |