Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950532 | Visual copyright protection | David G. Grossman, David Glenn DeGroote | 2005-09-27 |
| 6923367 | Safety mailbox | David G. Grossman | 2005-08-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950532 | Visual copyright protection | David G. Grossman, David Glenn DeGroote | 2005-09-27 |
| 6923367 | Safety mailbox | David G. Grossman | 2005-08-02 |