Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881254 | Hand-held pay telephone and holder | Edward J. Hollewed, John D. Goeken | 1989-11-14 |
| 4811387 | Holder and credit-card unlatching mechanism for a hand-held telephone | Edward J. Hollewed, John D. Goeken | 1989-03-07 |