Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185514 | Programmable apparatus and method for optical scanners | Charles K. Wike, Jr., Craig E. Maddox | 1993-02-09 |
| 5149947 | Portable checkout system | — | 1992-09-22 |
| 5142131 | Hand-held bar code reader | Charles K. Wike, Jr. | 1992-08-25 |
| 5138141 | Method and apparatus for repeating the output of an optical scanner | Denis M. Blanford, Barry M. Mergenthaler | 1992-08-11 |
| 5019694 | Overhead scanning terminal | — | 1991-05-28 |
| 5013899 | Scanning system having low quiescent current scanning mirror motor driver circuitry | — | 1991-05-07 |
| 5004916 | Scanning system having automatic laser shutdown upon detection of defective scanning element motion | — | 1991-04-02 |
| 4967188 | Method for detecting low battery voltage in portable scanning systems | — | 1990-10-30 |
| 4929819 | Method and apparatus for customer performed article scanning in self-service shopping | — | 1990-05-29 |
| 4851667 | Compact laser scanner optical system | Barry M. Mergenthaler, Paul O. Detwiler | 1989-07-25 |
| 4775782 | Checkout counter with remote keyboard writing pad and display | Barry M. Mergenthaler | 1988-10-04 |
| 4751641 | Method and apparatus for storing data to facilitate price look-up | Karl E. Dueland | 1988-06-14 |
| 4513420 | Error detecting system | Thomas B. O'Hanlan | 1985-04-23 |
| 4506365 | Error correction system | — | 1985-03-19 |