DC

David Chang

EA E.I. Du Pont De Nemours And: 1 patents #61 of 304Top 25%
IBM: 1 patents #143 of 788Top 20%
🗺 California: #320 of 6,198 inventorsTop 6%
Overall (1982): #15,327 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4355071 Clear coat/color coat finish containing ultraviolet light stabilizer — 1982-10-19
4349890 Time of day clock control — 1982-09-14