Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030583 | Switching arrangement | Christian Hammer, Albert Schmidbauer | 2011-10-04 |
| 7987718 | Vibroacoustic system for vibration testing | James F. Greenleaf, Mostafa Fatemi-Booshehri | 2011-08-02 |
| D641225 | Three stage manual knife sharpener | Daniel D. Friel, Sr. | 2011-07-12 |
| D641226 | Two stage manual knife sharpener | Daniel D. Friel, Sr. | 2011-07-12 |