Barnthaler; Franz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnthaler; Franz.The latest application filed is for "device for guying a drift advancing machine within a drift".
- Barnthaler; Franz - Weisskirchen AT
- Barnthaler; Franz - Weissenkirchen AT
| Patent | Date |
|---|---|
| Device for guying a drift advancing machine within a drift Grant 4,966,417 - Zitz , et al. October 30, 1 | 1990-10-30 |
| Cutting machine for cutting and carrying away material from a work face Grant 4,878,714 - Barnthaler , et al. November 7, 1 | 1989-11-07 |
| Device for sealing a drift cross section driven by means of a cutting machine Grant 4,662,685 - Barnthaler , et al. May 5, 1 | 1987-05-05 |
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