Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968657 | Patio door assembly with extruded plastics components | Paul A. Siudzinski, Jonathan C. Hauberg, David A. Stammen, Dennis D. Cox | 2005-11-29 |
| 6318036 | Patio door assembly with extruded plastics components | Paul A. Siudzinski, Jonathan C. Hauberg, David A. Stammen, Dennis D. Cox | 2001-11-20 |
| D429532 | Patio door extrusion | Paul A. Siudzinski | 2000-08-15 |
| D274226 | Attitude director indicator | Siegfried Knemeyer, deceased | 1984-06-12 |
| D274046 | Attitude director indicator | Siegfried Knemeyer, deceased | 1984-05-29 |
| D274044 | Attitude director indicator | Siegfried Knemeyer, deceased | 1984-05-29 |
| D274045 | Attitude director indicator | Siegfried Knemeyer, deceased | 1984-05-29 |
| D274047 | Attitude director indicator | Siegfried Knemeyer, deceased | 1984-05-29 |
| 4419832 | Aircraft attitude display instrument | — | 1983-12-13 |
| D256678 | Attitude director indicator | Siegfried Knemeyer, deceased | 1980-09-02 |