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Inventor

Loren R. Keldahl

Inventor
Edina, MN, US

Overview

2→
Patents
1989–1991
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels50%
A61NElectrotherapy25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,994,019'Magnetic occluding device'19914,846,818'Incontinence appliance'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to CONCEPTUS INC (1)· patent assignee history
1989–1991Based in Edina, MN, US· patent location history
1991Patents assigned to MICRO MAGNETICS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONCEPTUS INC11989
MICRO MAGNETICS INC11991
Locations
LocationPatentsSpan
Edina, Minnesota, US21989–1991