Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841421 | Method and system for selecting a previous color match from a set of previous color matches that best matches a color standard | John Frederick Graf | 1998-11-24 |
| 5740078 | Method and system for determining optimum colorant loading using merit functions | John Frederick Graf | 1998-04-14 |
| 5720017 | System and method for formulating a color match using color keys | John Frederick Graf | 1998-02-17 |
| 5668633 | Method and system for formulating a color match | John Frederick Graf | 1997-09-16 |