Hellman; Per Ingvar
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellman; Per Ingvar.The latest application filed is for "cutting tools and a process for the manufacture of such tools".
- Hellman; Per Ingvar - Soderfors SW
| Patent | Date |
|---|---|
| Cutting tools and a process for the manufacture of such tools Grant 4,011,108 - Hellman , et al. March 8, 1 | 1977-03-08 |
| Method And Means For Shaping A Stream Of Melt Flowing From A Tapping Hole Grant 3,834,629 - Hellman , et al. September 10, 1 | 1974-09-10 |
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