Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10080475 | Indicators of cleaning effectiveness of vacuum cleaners and systems to facilitate comparisons of cleaning effectiveness of vacuum cleaners | Jonathan Bryant Grey, Bruce Seymour Ferris, Chris Murray, Elliott Hedman, Brian Slate | 2018-09-25 |