| D134337 | ||||
| 0183532 | ||||
| 0313852 | ||||
| 0503941 | ||||
| 0509593 | ||||
| 0509947 | ||||
| 0595960 | ||||
| 0835966 | ||||
| 0873920 | ||||
| 0910080 | ||||
| 1090334 | ||||
| 1197858 | ||||
| 1401208 | Ridge construction for skylights and the like | |||
| 1449294 | Ventilator | |||
| 1660168 | Window ventilator | |||
| 1765119 | Ridge cap | |||
| 1975316 | Ventilator | |||
| 2211155 | Gear casing ventilator | |||
| 2360159 | Conduit connector | |||
| 2470201 | Roof ventilator | |||
| 2571273 | Joint for roofing or like sheets | |||
| 2659294 | Window ventilator | |||
| 2685247 | Double-acting roof ventilator | |||
| 2704500 | ||||
| 2718187 | Closure for ventilators | |||
| 2736176 | ||||
| 2777381 | Roof ventilating devices | |||
| 2803185 | Ventilating louver assembly | |||
| 2868104 | Combination ridge capping and ventilator for use on structures with pitched roofs | |||
| 2954727 | Roof ventilator |