LexDanaLexDanabeta
Inventor

Neil F. Brown

Inventor
Minneapolis, MN, US

Overview

5→
Patents
1976–1984
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A47Lprimary
A47LDomestic washing or cleaning67%
E01HStreet cleaning33%
PatentTitleYear
D0273622'Floor maintenance machine'19844,334,335'Scrubber with hydraulic squeegee lift'19824,262,382'Multi-speed brush control'19813,942,218'Scrubbing machine'19763,938,212'Scrubbing machine'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to TENNANT CO (5)· patent assignee history
1976–1984Based in Minneapolis, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TENNANT CO51976–1984
Locations
LocationPatentsSpan
Minneapolis, Minnesota, US51976–1984