Vollbrecht; Rolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vollbrecht; Rolf.The latest application filed is for "composite matting with reinforcement".
- Vollbrecht; Rolf - Obernburg DE
- Vollbrecht; Rolf - Obernburg/Main DE
| Patent | Date |
|---|---|
| Composite matting with reinforcement Grant 4,851,277 - Valkenburg , et al. July 25, 1 | 1989-07-25 |
| Low density matting and process Grant RE31,599 - Rasen , et al. June 12, 1 | 1984-06-12 |
| Low density matting and process Grant 4,342,807 - Rasen , et al. August 3, 1 | 1982-08-03 |
| Low density matting and process Grant 4,252,590 - Rasen , et al. February 24, 1 | 1981-02-24 |
| Matting article with process and apparatus for its production Grant 4,212,692 - Rasen , et al. July 15, 1 | 1980-07-15 |
| Mat material of melt-spun polymeric filaments having discontinuous cavities Grant 4,212,915 - Vollbrecht , et al. July 15, 1 | 1980-07-15 |
| Matting article Grant 4,177,312 - Rasen , et al. December 4, 1 | 1979-12-04 |
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