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 |
---|---|---|
1973 | CA, CH, US Other Pending | |
1981 | CA, CH, US | |
1985 | CA, CH, US |