Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9193174 | Device and method for identifying stacking and splitting of stenographic keystrokes | David Siebert | 2015-11-24 |
| 8678685 | Stenographic keyboard device providing extended set of keys and method for electronically adjusting key depth sensitivity | — | 2014-03-25 |
| 8215853 | Device and method for identifying stacking and splitting of stenographic keystrokes | David Siebert | 2012-07-10 |
| 8096714 | Stenographic keyboard device providing extended set of keys and method for electronically adjusting key depth sensitivity | David Siebert | 2012-01-17 |