Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D503210 | Set of alphabetical sparklers | — | 2005-03-22 |
| D467633 | Sparkler | — | 2002-12-24 |
| D460513 | Sparkler | — | 2002-07-16 |
| D459427 | Sparkler | — | 2002-06-25 |
| D458662 | Sparkler | — | 2002-06-11 |
| D453546 | Sparkler | — | 2002-02-12 |
| D451164 | Sparkler | — | 2001-11-27 |
| D450104 | Sparkler | — | 2001-11-06 |
| D449870 | Sparkler | — | 2001-10-30 |
| D447207 | Set of numerical sparklers | — | 2001-08-28 |
| 5978955 | Methods and apparatus for error correction using an R-Q calculator | — | 1999-11-02 |
| 5889793 | Methods and apparatus for error correction | — | 1999-03-30 |
| 5887006 | Methods and apparatus for error correction | — | 1999-03-23 |
| 5887005 | Methods and apparatus for error correction | — | 1999-03-23 |