1929 to 1958
History
1929
1934
1936
| Manufacture of duroplastic door finger plates. Previously finger plates were available only in celluloid or glass, the former not being durable, and the latter very expensive. |
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1937
| Nylon is patented by the American chemical corporation, DuPont. Nylon is the major material innovation of the 30s. |
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1954
| 1954 Acquisition of the first injection moulding machine, for the production of finger plates from thermo-plastics (a group of plastics including nylon). |


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