Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640740 | Vacuum cleaner | William D. Starr, Peter Hoekstra | 1997-06-24 |
| 5638573 | Vacuum cleaner | William D. Starr, Peter Hoekstra | 1997-06-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640740 | Vacuum cleaner | William D. Starr, Peter Hoekstra | 1997-06-24 |
| 5638573 | Vacuum cleaner | William D. Starr, Peter Hoekstra | 1997-06-17 |