JC

Jih-Cheng Chang

Overall (All Time): #1,052,597 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5823573 Loose-leaf album for both photographs and film storage 1998-10-20
5764141 Motor vehicle warning signal light assembly 1998-06-09
5041813 """Automobile disabled"" sign" 1991-08-20
4965546 Warning device to alert passers-by before opening an automobile door 1990-10-23
4833448 Warning device to alert passers-by before opening an automobile door 1989-05-23