LexDanaLexDanabeta
Inventor

Richard Harmon

Inventor
Manton, MI, US

Overview

3→
Patents
1992–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning50%
B08BCleaning in general17%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling17%
F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers17%
PatentTitleYear
6,295,696'Vacuum apparatus for cleaning condensers and the like'20016,032,328'Crevice cleaning tool for a vacuum cleaner apparatus'20005,125,129'Intake nozzle assembly for a liquid bath vacuum cleaner'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2000Patents assigned to REXAIR INC (2)· patent assignee history
1992–2000Based in Manton, MI, US· patent location history
2001Based in Baraboo, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
REXAIR INC21992–2000
Locations
LocationPatentsSpan
Manton, MI, US21992–2000
Baraboo, WI, US12001