Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742269 | Verticality/horizon indicator for construction | Byoung-Chul Kim, Sang Hwa Lee, Nikolay Ivanov | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742269 | Verticality/horizon indicator for construction | Byoung-Chul Kim, Sang Hwa Lee, Nikolay Ivanov | 2004-06-01 |