Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200988 | Method and means for telecommunications by deaf persons utilizing a small hand held communications device | — | 1993-04-06 |
| 5031206 | Method and apparatus for identifying words entered on DTMF pushbuttons | — | 1991-07-09 |
| 4866759 | Packet network telecommunication system having access nodes with word guessing capability | — | 1989-09-12 |
| 4846594 | Apparatus for printing of envelopes and pre-packaged mailing inserts located therein | — | 1989-07-11 |
| 4817129 | Method of and means for accessing computerized data bases utilizing a touch-tone telephone instrument | — | 1989-03-28 |
| 4757267 | Telephone system for connecting a customer to a supplier of goods | — | 1988-07-12 |
| 4649563 | Method of and means for accessing computerized data bases utilizing a touch-tone telephone instrument | — | 1987-03-10 |
| 4555618 | Method and means for collecting highway tolls | — | 1985-11-26 |