Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D681021 | Handset | David DeLorenzo, Claus-Christian Eckhardt, Christian Von Reventlow | 2013-04-30 |
| D646268 | Docking station | David DeLorenzo, Claus-Christian Eckhardt, Christian Von Reventlow | 2011-10-04 |
| D639266 | Phone | David DeLorenzo, Claus-Christian Eckhardt, Christian Von Reventlow | 2011-06-07 |
| D639267 | Phone | David DeLorenzo, Claus-Christian Eckhardt, Christian Von Reventlow | 2011-06-07 |
| D639268 | Phone | David DeLorenzo, Claus-Christian Eckhardt, Christian Von Reventlow | 2011-06-07 |
| 4782522 | Terminal for a telecommunications switching system having an additional keyboard and/or visual display | Dieter Kramer, Gerhard Sussner, Wolfgang Girscher, Karl-Heinz Niederhofer, Werner Beck | 1988-11-01 |