| 2158087 | Apparatus for imparting stretchability to webs | |||
| 2164702 | Method and apparatus for making cigarette mouthpieces | |||
| 2245014 | Stretchable paper | |||
| 2320092 | Machine for making adhesive pads | |||
| 2389435 | Filter material | |||
| 2423294 | Flexible waterproof material and its production | |||
| 2475789 | Method and machine for making corrugated structures | |||
| 2628656 | Manufacture of creped paper |
| GB420464A |