YB

Young-Dawn Bae

Overall (2003): #35,641 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6614409 Glare shielding device of welding helmet and method of controlling the same — 2003-09-02
6552316 Glare protecting device utilizing both optical and non-optical detectors and method of controlling thereof — 2003-04-22