Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845760 | Electro-acoustic transducer arranged within the handset of a telephone instrument | Kurt Schiller | 1989-07-04 |
| 4839921 | Telephone station comprising an optical display device | Kurt Schiller, Erwin Grassl | 1989-06-13 |
| 4819266 | Telephone device with means for changing the angle of inclination | Peter Kleine | 1989-04-04 |
| 4810066 | Cover for telecommunications equipment | Erwin Grassl | 1989-03-07 |
| 4771453 | Telephone subscriber station comprising an actuating device which actuates a cradle switch | Peter Kleine | 1988-09-13 |
| 4758168 | Contact device composed of a plug and a corresponding socket | Peter Kleine | 1988-07-19 |
| 4754533 | Retaining clip for fastening a flap component part to a housing part | Peter Kleine, Karin Thum | 1988-07-05 |
| 4731836 | Telephone set for table-top and wall operation | Erwin Grassl, Peter Kleine | 1988-03-15 |
| 4593158 | Telephone subscriber station with a pivotably attached chassis and upper housing | Peter Kleine | 1986-06-03 |