Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523557 | Carpenter's pencil sharpener | Craig W. Smith | 2009-04-28 |
| D502965 | Pencil sharpener | Craig W. Smith | 2005-03-15 |
| 6484412 | Non-spill chalk line and measured refill cartridge | Kevin M. Hanneman, Christopher C. Mazczewski, Craig W. Smith | 2002-11-26 |
| 6092293 | Pencil sharpener | — | 2000-07-25 |
| D420390 | Pencil sharpener | — | 2000-02-08 |