Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403375 | Adjustable LCD screen assembly for writing machine | Dennis John Kras | 2008-07-22 |
| D554922 | Stenographic tabletop | Dennis John Kras | 2007-11-13 |
| 6736558 | Disposable ribbon cartridge for shorthand machines | Vae Sun | 2004-05-18 |
| 6422771 | Disposable ribbon cartridge for shorthand machine | Van E. Sun | 2002-07-23 |
| 5395178 | Tripod for supporting a shorthand machine | — | 1995-03-07 |
| 4439798 | Referencing device for digital data recorders | — | 1984-03-27 |
| 4363557 | Marking device for shorthand machine | Paul J. Fowler | 1982-12-14 |