Chang; David C. K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; David C. K..The latest application filed is for "electrically conductive coatings applied by internally charged electrostatic sprayers".
- Chang; David C. K. - Bloomfield Hills MI
- Chang; David C. K. - Birmingham MI
| Patent | Date |
|---|---|
| Electrically conductive coatings applied by internally charged electrostatic sprayers Grant 6,689,457 - Chang , et al. February 10, 2 | 2004-02-10 |
| Stable aqueous aluminum flake dispersion Grant 5,104,922 - Chang April 14, 1 | 1992-04-14 |
| Waterborne basecoat/high solids clear finish for automotive substrates having an improved appearance Grant 5,100,735 - Chang March 31, 1 | 1992-03-31 |
| Amino methyl propanol blocked aromatic sulfonic acid Grant 4,812,506 - Gilmer , et al. March 14, 1 | 1989-03-14 |
| Process for improving the appearance of a multilayer finish Grant 4,731,290 - Chang March 15, 1 | 1988-03-15 |
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