Zenke; Gunther
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zenke; Gunther.The latest application filed is for "bituminous compositions prepared by blowing blends of bitumen, aromatic extract and ept rubber".
- Zenke; Gunther - Halstenbek DT
| Patent | Date |
|---|---|
| Bituminous Compositions Prepared By Blowing Blends Of Bitumen, Aromatic Extract And Ept Rubber Grant 3,853,799 - Behling , et al. December 10, 1 | 1974-12-10 |
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