Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819365 | Window washing accessory cleaning tool for use with water extraction cleaning machine | Eric C. Huffman, Ng Tat Shing, Hok Yin Timmy Sin | 1998-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819365 | Window washing accessory cleaning tool for use with water extraction cleaning machine | Eric C. Huffman, Ng Tat Shing, Hok Yin Timmy Sin | 1998-10-13 |