Issued Patents All Time
Showing 51–75 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832438 | Utility knife with quick release housing | Yuan Fang Cheng | 2004-12-21 |
| 6732395 | Contour pull scraper with stowable file | — | 2004-05-11 |
| D479374 | Two-handed scraper | Yuan Fang Cheng | 2003-09-02 |
| D479375 | Detail scraper | Yuan Fang Cheng | 2003-09-02 |
| 6568087 | Scraper with stowable file | — | 2003-05-27 |
| 6530098 | Multiple tool device | Yuan Fang Cheng | 2003-03-11 |
| D468989 | Tool handle for blades | John Lonczak | 2003-01-21 |
| 6487778 | Utility knife with pressure reducing slot | Yuan Fang Cheng | 2002-12-03 |
| D454000 | Wide straight brush | — | 2002-03-05 |
| D453251 | Wood scraper | Yuan Fang Cheng | 2002-01-29 |
| D449739 | Straight brush | — | 2001-10-30 |
| D441961 | Flat brush | — | 2001-05-15 |
| D441962 | Curved brush | — | 2001-05-15 |
| 6058607 | Utility knife with snap-off carrier and dual control | — | 2000-05-09 |
| 5930925 | Display apparatus | — | 1999-08-03 |
| D411429 | Folding pocket saw | — | 1999-06-22 |
| 5813121 | Automatically retractable utility knife | — | 1998-09-29 |
| 5809605 | Squeegee assembly | — | 1998-09-22 |
| D388307 | Tool handle | — | 1997-12-30 |
| D385578 | Bucket display | — | 1997-10-28 |
| 5638727 | Plastic screwdriver with retaining ring | — | 1997-06-17 |
| D378959 | Large grout brush | — | 1997-04-29 |
| D375842 | Small grout brush | — | 1996-11-26 |
| D364955 | Tool and parts holder | Howard Soled | 1995-12-12 |
| 5456382 | Blister display package | — | 1995-10-10 |