Joutsen; Ero Oskari
Patent Applications and Registrations
Patent applications and USPTO patent grants for Joutsen; Ero Oskari.The latest application filed is for "method and device for the treatment of refuse".
- Joutsen; Ero Oskari - Tempere SF
| Patent | Date |
|---|---|
| Method And Device For The Treatment Of Refuse Grant 3,747,542 - Ruohola , et al. July 24, 1 | 1973-07-24 |
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