Viak AB Vallingbyplan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Viak AB Vallingbyplan.The latest application filed is for "sewerage system for houses, particularly in rural areas".
- Viak AB Vallingbyplan - Vallingbys SW
| Patent | Date |
|---|---|
| Sewerage System For Houses, Particularly In Rural Areas Grant 3,568,838 - Appelgren , et al. March 9, 1 | 1971-03-09 |
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