Vancouver
Canada
2
2013-07-11
The entities that hold a legal rights for patent applications filed by inventor Chen Gang:
Gang Chen from Vancouver, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Battery low-voltage warning apparatus for auto-darkening filter for welding helmet
#2 | 2008-10-23METHODS OF MAKING COMPOUNDS HAVING A BETA-ADRENERGIC INHIBITOR AND A LINKER AND METHODS OF MAKING COMPOUNDS HAVING A BETA-ADRENERGIC INHIBITOR, A LINKER AND A PHOSPHODIESTERASE INHIBITOR
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