Inventor
Burton E. Gerke, Jr.
Inventor
Newtown, CT, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning86%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
D0316921'Vacuum cleaner brush'1991D0315622'Combined hand-held portable vacuum cleaner and brush attachment'19914,951,348'Rotatable indexable accessory vacuum cleaner tool'19904,947,514'Internal contact for a charging circuit'19904,942,641'Accessory brush attachment'19904,928,346'Hand-held vacuum cleaner with power brush'19904,920,606'Electrical power circuit for a vacuum cleaner'19904,841,594'Cordless vacuum cleaner with power brush'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to BLACK & DECKER INC (8)· patent assignee history
1989–1991Based in Newtown, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACK & DECKER INC | 8 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newtown, CT, US | 8 | 1989–1991 |