Paiste Patents
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Contents
Flatride
| Country | Code | Patent # | Year |
|---|---|---|---|
| Switzerland | CH | 465 370 | ? |
| Canada | CA | 880 436 | 1971 |
| USA | US | 3 546 994 | ? |
| Year | Stamp | Countries |
|---|---|---|
| 1981 | CA, CH, US | |
| 1985 | CA, CH, US | |
| 1973 | CA, CH, US |