Inventor
Kenneth T. Duffy, Sr.
Inventor
Wheaton, IL, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E03Cprimary
E03CDomestic plumbing installations for fresh water or waste water50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
8,382,993'Drain filter apparatus and method'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to CLEAR DRAIN IND LLC (1)· patent assignee history
2013Patents assigned to DUFFY SR KENNETH T (1)· patent assignee history
2013Patents assigned to LIVINGSTON TROY W (1)· patent assignee history
2013Patents assigned to WISEK DENNIS E (1)· patent assignee history
2013Based in Wheaton, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLEAR DRAIN IND LLC | 1 | 2013 |
| DUFFY SR KENNETH Tself | 1 | 2013 |
| LIVINGSTON TROY W | 1 | 2013 |
| WISEK DENNIS E | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wheaton, Illinois, US | 1 | 2013 |