Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42651 | Optical scanner having enhanced item side coverage | Paul O. Detwiler, Hong Tang | 2011-08-30 |
| 7059527 | Methods and apparatus for using imaging information to improve scanning accuracy in bar code scanners | Paul O. Detwiler, John K. Burkey, Yeming Gu | 2006-06-13 |
| 6866197 | Optical scanner having enhanced item side coverage | Paul O. Detwiler, Steven W. Damron, Yeming Gu | 2005-03-15 |
| 6827266 | Methods and apparatus for using imaging information to improve scanning accuracy in bar code scanners | Paul O. Detwiler, John K. Burkey, Yeming Gu | 2004-12-07 |
| 6695211 | Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collection | John B. Keys, Denis M. Blanford, Kenneth Joseph Fabian | 2004-02-24 |
| 6536668 | Dual aperture optical scanner | Paul O. Detwiler | 2003-03-25 |
| 6497366 | Methods and apparatus for dual channel video recovery in bar code scanners | John K. Burkey, Hong Tang | 2002-12-24 |
| 6394351 | Methods and apparatus for enhanced scanner operation employing bar code and bar code fragment time and position of data collection | John B. Keys, Denis M. Blanford, Kenneth Joseph Fabian | 2002-05-28 |
| 6347741 | Methods and apparatus for determining bar code label location information | Denis M. Blanford, Paul O. Detwiler, Hong Tang | 2002-02-19 |
| 6307662 | Blazed diffraction scanner | Donald A. Collins, Jr., Paul O. Detwiler, Hong Tang | 2001-10-23 |
| 6220513 | Methods and apparatus for determining bar code label location information | Denis M. Blanford, Paul O. Detwiler, Hong Tang | 2001-04-24 |
| 6059189 | Dual aperture optical scanner | Paul O. Detwiler | 2000-05-09 |
| 5886336 | Multiside coverage optical scanner | Hong Tang, Paul O. Detwiler, Charles R. Copus | 1999-03-23 |
| 5767498 | Bar code error scanner | Theodore Heske, III, Denis M. Blanford | 1998-06-16 |
| 5684289 | Optical scanner having enhanced item side coverage | Paul O. Detwiler, Hong Tang | 1997-11-04 |
| 5459308 | Dual aperature optical scanner | Paul O. Detwiler | 1995-10-17 |
| 5262625 | Multiple bar code decoding system and method | Robert Joseph Tom, Wilbur I. Hilles, Denis M. Blanford | 1993-11-16 |
| 5229588 | Dual aperture optical scanner | Paul O. Detwiler | 1993-07-20 |
| 5212370 | Apparatus and method for extending laser life by discontinuous operation | Christopher J. Wittensoldner, Denis M. Blanford, John K. Burkey, Paul O. Detwiler, Wilbur I. Hilles +1 more | 1993-05-18 |
| 5208445 | Method and apparatus for receiving, marking and retaining discount coupons | Rathindra Nahar | 1993-05-04 |
| 5194722 | Enhanced UPC bar code decoding system reconstructing complete bar code signals from partial bar code scans | Marion Tapu, Denis M. Blanford, Gene L. Amacher | 1993-03-16 |
| 5138141 | Method and apparatus for repeating the output of an optical scanner | Denis M. Blanford, Donald A. Collins, Jr. | 1992-08-11 |
| 5115333 | Variable laser beam attenuator | Paul O. Detwiler | 1992-05-19 |
| 4909338 | Method and apparatus for scale calibration and weighing | Mark Robert Vitunic, Gene L. Amacher | 1990-03-20 |
| 4851667 | Compact laser scanner optical system | Paul O. Detwiler, Donald A. Collins, Jr. | 1989-07-25 |