Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7549585 | Methods and apparatus for preventing improper scans by a bar code scanner | — | 2009-06-23 |
| 7546949 | Methods and apparatus for bar code conversion | — | 2009-06-16 |
| 7389923 | Methods and apparatus for tracking the direction of a moving item by a bar code scanner | — | 2008-06-24 |
| 7314175 | Methods and apparatus for improved use of partial bar code information to decode a complete bar code | — | 2008-01-01 |
| 7070097 | Settled weight scale for a checkout system | Craig E. Maddox | 2006-07-04 |
| 7070108 | Bar code scanner | Deborah A. Detwiler | 2006-07-04 |
| 6722568 | Methods and apparatus for detection and processing of supplemental bar code labels | Frederick Peter Tyrrell | 2004-04-20 |
| 6695211 | Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collection | John B. Keys, Kenneth Joseph Fabian, Barry M. Mergenthaler | 2004-02-24 |
| 6665758 | Software sanity monitor | Ralph E. Frazier, William M. Belknap, Theodore Heske, III | 2003-12-16 |
| 6561426 | Methods and apparatus for supplemental barcode detection and decoding | Daniel B. Seevers, Robert Joseph Tom | 2003-05-13 |
| 6394351 | Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collection | John B. Keys, Kenneth Joseph Fabian, Barry M. Mergenthaler | 2002-05-28 |
| 6347741 | Methods and apparatus for determining bar code label location information | Paul O. Detwiler, Barry M. Mergenthaler, Hong Tang | 2002-02-19 |
| 6220513 | Methods and apparatus for determining bar code label location information | Paul O. Detwiler, Barry M. Mergenthaler, Hong Tang | 2001-04-24 |
| 6158660 | Methods and apparatus for supplemental barcode detection and decoding | Daniel B. Seevers, Robert Joseph Tom | 2000-12-12 |
| 5767498 | Bar code error scanner | Theodore Heske, III, Barry M. Mergenthaler | 1998-06-16 |
| 5276316 | Method for reconstructing complete bar code signals from partial bar code scans | — | 1994-01-04 |
| 5262625 | Multiple bar code decoding system and method | Robert Joseph Tom, Wilbur I. Hilles, Barry M. Mergenthaler | 1993-11-16 |
| 5237163 | Method for scanning a plurality of bar code labels | Donald A. Collins, Jr. | 1993-08-17 |
| 5212370 | Apparatus and method for extending laser life by discontinuous operation | Christopher J. Wittensoldner, John K. Burkey, Paul O. Detwiler, Barry M. Mergenthaler, Wilbur I. Hilles +1 more | 1993-05-18 |
| 5194722 | Enhanced UPC bar code decoding system reconstructing complete bar code signals from partial bar code scans | Barry M. Mergenthaler, Marion Tapu, Gene L. Amacher | 1993-03-16 |
| 5144114 | Volume control apparatus | Christopher J. Wittensoldner | 1992-09-01 |
| 5138141 | Method and apparatus for repeating the output of an optical scanner | Donald A. Collins, Jr., Barry M. Mergenthaler | 1992-08-11 |
| 5023818 | Laser scanner safety apparatus and method | Christopher J. Wittensoldner, John K. Burkey | 1991-06-11 |
| 4868375 | Method for changing the functions of a bar code reader | — | 1989-09-19 |
| 4679154 | Scanning control system for merchandise checkout | — | 1987-07-07 |