Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989238 | Facsimile record and playback system | Donald A. Streck | 1991-01-29 |
| 4933968 | Telephone with automatic redial of number provided by information operator's computer | — | 1990-06-12 |
| 4918723 | Keyboard to facsimile machine transmission system | Donald A. Streck | 1990-04-17 |
| 4916532 | Television local wireless transmission and control | Donald A. Streck | 1990-04-10 |
| 4916739 | Adhesive photocopyable transparency for use in a secure facsimile transmission system | Donald A. Streck | 1990-04-10 |
| 4912761 | Security facsimile systems | Jeanette C. Tan, Donald A. Streck | 1990-03-27 |
| 4896355 | Patterning device for security facsimile systems | Donald A. Streck | 1990-01-23 |
| 4893729 | Selectable mixing bottle | Donald A. Streck | 1990-01-16 |
| 4856046 | Remote public telephone link | Donald A. Streck | 1989-08-08 |
| 4852802 | Smart irrigation sprinklers | Donald A. Streck, Joseph W. Pender | 1989-08-01 |
| 4685133 | Wireless audio transmission system | — | 1987-08-04 |