Rieber & Son Plastic-Industri A/S
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rieber & Son Plastic-Industri A/S.The latest application filed is for "combined mould element and sealing ring".
- Rieber & Son Plastic-Industri A/S - Bergen NO
| Patent | Date |
|---|---|
| Combined mould element and sealing ring Grant 4,030,872 - Parmann June 21, 1 | 1977-06-21 |
| Apparatus For Producing Radially-expanded Socket Ends On Thermoplastic Pipe Lengths Grant 3,776,682 - Parmann December 4, 1 | 1973-12-04 |
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