Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7507043 | Ergonomic keyboard | Robert Granadino | 2009-03-24 |
| 6840690 | Ergonomic keyboard | Robert Granadimo | 2005-01-11 |
| 6467979 | Ergonomic keyboard | Robert Granadino | 2002-10-22 |
| 6042282 | Ergonomic keyboard | Robert Granadino | 2000-03-28 |
| 5826992 | Ergonomic keyboard with wrist support | Robert Granadino | 1998-10-27 |
| 5360280 | Ergonomic keyboard including arcuate elongated keys | Robert Granadino | 1994-11-01 |