Risman; Per O.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Risman; Per O..The latest application filed is for "microwave heating applicator".
- Risman; Per O. - Harryda SE
- Risman; Per O. - Huskvarna SE
| Patent | Date |
|---|---|
| Microwave heating applicator Grant 7,964,828 - Risman June 21, 2 | 2011-06-21 |
| Hybrid rectangular heating applicators Grant 7,230,217 - Risman June 12, 2 | 2007-06-12 |
| Microwave heating applicator App 20070068937 - Risman; Per O. | 2007-03-29 |
| Hybrid mode rectangular heating applicators App 20060124635 - Risman; Per O. | 2006-06-15 |
| Tubular microwave applicator Grant 5,834,744 - Risman November 10, 1 | 1998-11-10 |
| Rectangular microwave heating applicator with hybrid modes Grant 5,828,040 - Risman October 27, 1 | 1998-10-27 |
| Cylindrical microwave heating applicator with only two modes Grant 5,632,921 - Risman , et al. May 27, 1 | 1997-05-27 |
| Dielectric heating applicator Grant 4,392,039 - Risman July 5, 1 | 1983-07-05 |
| Microwave heating apparatus Grant 4,276,462 - Risman June 30, 1 | 1981-06-30 |
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