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Inventor

Duane L. Salmonson

Inventor
Cottage Grove, MN, US

Overview

5→
Patents
1977–1990
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 cleaning22%
B01FMixing, e.g. dissolving, emulsifying or dispersing22%
C11DDetergent compositions11%
D06FLaundering, drying, ironing, pressing or folding textile articles11%
F01LCyclically operating valves for machines or engines11%
LOCD111%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
D0308072'Printer'19904,509,402'Magnetic reversing mechanism'19854,426,362'Solid block detergent dispenser'1984D0248103'Powder detergent dispenser'19784,063,663'Powdered detergent dispenser'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to ECONOMICS LAB (4)· patent assignee history
1977–1978Based in West St. Paul, MN, US· patent location history
1984–1985Based in Cottage Grove, MN, US· patent location history
1990Patents assigned to MICRO PERIPHERALS INC (1)· patent assignee history
1990Based in Riverton, WY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ECONOMICS LAB41977–1985
MICRO PERIPHERALS INC11990
Locations
LocationPatentsSpan
Cottage Grove, Minnesota, US21984–1985
West St. Paul, Minnesota, US21977–1978
Riverton, WY, US11990