Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640909 | Two stage sharpener | Rene Henry Stutz, Robert Krane | 2011-07-05 |
| D640523 | Four stage sharpener | Rene Henry Stutz, Robert Krane | 2011-06-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640909 | Two stage sharpener | Rene Henry Stutz, Robert Krane | 2011-07-05 |
| D640523 | Four stage sharpener | Rene Henry Stutz, Robert Krane | 2011-06-28 |