| 2898825 | Marking stripe and method of applying same | |||
| 2500583 | Roofing and waterproofing machine | |||
| 2373239 | Roofing machine | |||
| 2280579 | Roofing surface | |||
| 2197878 | Surfacing machine | |||
| 2144168 | Roof construction and method of laying roll roofing | |||
| 1979656 | Apparatus for wrapping pipe | |||
| 1427755 | Built-up roofing | |||
| 1298690 | N/A | |||
| 1151096 | N/A | |||
| 1044773 | N/A | |||
| 0822602 | N/A | |||
| 0805746 | N/A | |||
| 0296163 | N/A | |||
| 0236386 | N/A |
| GB265081A | ||||
| GB494231A |