Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9563798 | Reading invisible barcodes and other invisible insignia using physically unmodified smartphone | Max Burkhart | 2017-02-07 |
| 8120650 | Video fishing rod with underwater observation gear | — | 2012-02-21 |
| 7976459 | Portable endoscope for intubation | — | 2011-07-12 |
| 7712667 | Hand held wireless reading viewer of invisible bar codes | — | 2010-05-11 |
| 7516899 | Hand held wireless reading viewer of invisible bar codes | — | 2009-04-14 |
| 6234395 | Instant portable bar code reader | George E. Chadima, Jr. | 2001-05-22 |
| 6158661 | Instant portable bar code reader | George E. Chadima, Jr. | 2000-12-12 |
| 5992751 | Portable data file readers | — | 1999-11-30 |
| 5992750 | Instant portable bar code reader | George E. Chadima, Jr. | 1999-11-30 |
| 5811828 | Portable reader system having an adjustable optical focusing means for reading optical information over a substantial range of distances | — | 1998-09-22 |
| 5773808 | Method and apparatus for reading invisible messages | — | 1998-06-30 |
| 5591955 | Portable data file readers | — | 1997-01-07 |
| 5288985 | Instant portable bar code reader | George E. Chadima, Jr. | 1994-02-22 |
| 5258606 | Instant portable bar code reader | George E. Chadima, Jr. | 1993-11-02 |
| 5233172 | Instant portable bar code reader | George E. Chadima, Jr. | 1993-08-03 |
| 5218191 | Instant portable bar code reader | George E. Chadima, Jr. | 1993-06-08 |
| 5187356 | Instant portable bar code reader | George E. Chadima, Jr. | 1993-02-16 |
| 5187355 | Instant portable bar code reader | George F. Chadima, Jr | 1993-02-16 |
| 5182441 | Instant portable bar code reader | George E. Chadima, Jr. | 1993-01-26 |
| 5144119 | Instant portable bar code reader | George E. Chadima, Jr. | 1992-09-01 |
| 5144121 | Instant portable bar code reader | George E. Chadima, Jr. | 1992-09-01 |
| 5095197 | Instant portable bar code reader | George E. Chadima, Jr. | 1992-03-10 |
| 5081343 | Instant portable bar code reader | George E. Chadima, Jr. | 1992-01-14 |
| 5038024 | Instant portable bar code reader | George E. Chadima, Jr. | 1991-08-06 |
| 5021642 | Instant portable bar code reader | George E. Chadima, Jr. | 1991-06-04 |