Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D289045 | Keypad for a handset telephone | — | 1987-03-31 |
| D288442 | Telephone handset | — | 1987-02-24 |
| D284373 | Telephone set base | Clifford D. Read, Warren K. Ellis | 1986-06-24 |
| D284187 | Telecommunications equipment cabinet | Robert B. Isaacs | 1986-06-10 |
| D283616 | Telephone set base | Clifford D. Read, Warren K. Ellis | 1986-04-29 |
| D283422 | Housing for a telephone handset | Clifford D. Read, Warren K. Ellis | 1986-04-15 |
| 4574272 | Tone ringer for telephone sets and other telecommunications apparatus | — | 1986-03-04 |
| D282362 | Housing for a telephone handset | Clifford D. Read, Warren K. Ellis | 1986-01-28 |
| D282361 | Telephone set base | Clifford D. Read, Warren K. Ellis | 1986-01-28 |
| D280618 | Housing for a wall-mount telephone set base | Clifford D. Read, Warren K. Ellis | 1985-09-17 |
| D280619 | Housing for a telephone handset | Clifford D. Read, Warren K. Ellis | 1985-09-17 |
| D278236 | Telephone set base | Clifford D. Read, Warren K. Ellis | 1985-04-02 |
| 4453062 | Pushbutton switch and integral lamp for telephone dials | David Johnson | 1984-06-05 |