Inventor
Henry J. Rosendall
Inventor
Grand Rapids, MI, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning90%
B01DSeparation5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
5,355,549'Diverter valve for vacuum cleaner apparatus'19945,208,935'Carpet sweeper'19935,148,569'Debris impeller'19925,087,018'Fluid flow control valve'19924,910,828'Cleaning apparatus'19904,878,261'Sweeper with pivotally mounted dust bin'19894,864,680'Liquid extraction surface cleaning apparatus'19894,854,544'Fluid flow control valve'19894,847,943'Liquid extraction surface cleaning apparatus'19894,827,562'Liquid extraction surface cleaning apparatus'19894,823,430'Vacuum cleaner with brush lift-off'19894,809,393'Electrical appliances including a cord lock'19894,800,613'Liquid extraction surface cleaning apparatus'19894,701,195'Room air treatment system'19874,498,207'Floor sweeper with improved drive wheel construction'19854,325,156'Floor sweeper with improved construction'19824,282,622'Floor sweeper with integral housing'19814,168,561'Floor sweeper with improved bail assembly'19794,124,913'Floor sweeper with unitary frame'19784,084,283'Floor sweeper'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1994Patents assigned to BISSELL INC (18)· patent assignee history
1978–1994Based in Grand Rapids, MI, US· patent location history
1987–1994Patents assigned to AMWAY CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BISSELL INC | 18 | 1978–1994 |
| AMWAY CORP | 4 | 1987–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grand Rapids, MI, US | 20 | 1978–1994 |