Grozdanov; Petko Kostadinov
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grozdanov; Petko Kostadinov.The latest application filed is for "controllable-force wire advance arrangement for electric-arc welding applications".
- Grozdanov; Petko Kostadinov - Sofia BG
| Patent | Date |
|---|---|
| Controllable-force wire advance arrangement for electric-arc welding applications Grant 4,098,445 - Samokovliski , et al. July 4, 1 | 1978-07-04 |
| Device for planetary electrode wire-feeding having automatic adjusting means for the pushing force exerted on the electrode wire Grant 4,085,880 - Samokovliski , et al. April 25, 1 | 1978-04-25 |
| Planetary wire-feeding mechanism for electric arc-welding applications Grant 4,049,172 - Samokovliski , et al. September 20, 1 | 1977-09-20 |
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