| 2616862 | Phonograph records and molding compositions | |||
| 2297635 | Stereotype mat | |||
| 2249118 | Impregnated paper | |||
| 2112023 | Preparation of materials for embossing | |||
| 1804417 | Composition for and method of heat and fire proofing paper, craft board, and the like | |||
| 1345317 | Counter-board and process of producing the same | |||
| 1331119 | Stereotype for chalcographic, typographic, and lithographic reproduction | |||
| 1233298 | N/A | |||
| 1173907 | N/A | |||
| 0744889 | N/A | |||
| 0077991 | N/A |
| GB554131A |