| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 13 | |
| #2 | United States | 10 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Labelle H M Robert | 14 |
| #2 | Labelle Henri M R | 9 |
| #3 | Cant Norman H | 2 |
| #4 | Garrow Cecil M | 2 |
| #5 | Labelle Henri Marcel Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4944169A | Closure lock | |
| US4664170A | Rolling firedoor | |
| CA1221019A | Rolling closure guide means | |
| CA1219495A | Rolling closure bottom seal | |
| CA1221018A | Hinged closure panel | |
| CA1237652A | Insulated closure panel | |
| CA1233405A | Barrel rings | |
| US4434525A | Hinge having open curved portions | |
| US4475268A | Closure hinge improvements | |
| US4497357A | Sectional folding closure | |
| CA1150616A | Sectional folding closure | |
| CA1117715A | Folding closure hinge |