Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272622 | Large telephone keyset | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1984-02-14 |
| D269781 | Telephone busy lamp field console with display | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-07-19 |
| 4394757 | Frame format for PCM speech data in a telephone transmission system and digital telephone apparatus for use with this frame format | George A. Mierzwa, Richard Sanders, Orrie J. Van der Meiden | 1983-07-19 |
| D269675 | Telephone busy lamp field console | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-07-12 |
| D269612 | Large telephone keyset with display | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-07-05 |
| D269613 | Telephone with function keys | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-07-05 |
| 4389544 | Digital telephone apparatus | Theodore W. Wagner, Sam Song Liang | 1983-06-21 |
| D269179 | Small telephone keyset | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-05-31 |
| D269178 | Telephone with display | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-05-31 |
| D269089 | Small telephone keyset with display | Donald A. Foggia, Gerhart F. Klaiber, Rolf E. Schneider | 1983-05-24 |
| 4375584 | Modular telephone keyset structure | William Levine, Gerry Suarez, Rolf E. Schneider, Theodore W. Wagner | 1983-03-01 |
| 4224473 | TDMA Multiplexer-demultiplexer with multiple ports | Pradman Kaul, Ova Gene Gabbard, Anders Eklof | 1980-09-23 |