Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498057 | Cleaning brush | Charles Ashley, Ian Corkhill, Leonard Spitzer, John E. Studer | 2004-11-09 |
| D493994 | Brush holder | Leonard Spitzer, John E. Studer | 2004-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498057 | Cleaning brush | Charles Ashley, Ian Corkhill, Leonard Spitzer, John E. Studer | 2004-11-09 |
| D493994 | Brush holder | Leonard Spitzer, John E. Studer | 2004-08-10 |