Plum; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Plum; Helmut.The latest application filed is for "process for preparing copolymers and use of the products obtained".
- Plum; Helmut - Taunusstein DE
- Plum; Helmut - Ubach-Palenberg DE
| Patent | Date |
|---|---|
| Process for preparing copolymers and use of the products obtained Grant 4,710,556 - Plum December 1, 1 | 1987-12-01 |
| Process for the manufacture of hardenable copolymers and the use thereof Grant 4,373,078 - Ritz , et al. February 8, 1 | 1983-02-08 |
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