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Inventor

David A. Witsoe

Inventor
Libertyville, IL, US

Overview

4→
Patents
1978–1994
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Mprimary
A61MDevices for introducing media into, or onto, the body33%
A61BDiagnosis11%
B01DSeparation11%
B01FMixing, e.g. dissolving, emulsifying or dispersing11%
F16LPipes11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,344,392'Method and apparatus for preparation of solutions from concentrates'19944,331,540'Process for draining dialysate from artificial kidney'1982RE030101'Impedance plethysmograph'19794,098,274'Digital memory with power outage and memory overload logic in a dialysis system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1982Patents assigned to BAXTER TRAVENOL LAB (2)· patent assignee history
1978–1994Based in Libertyville, IL, US· patent location history
1979Based in Rochester, NY, US· patent location history
1994Patents assigned to BAXTER INT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAXTER TRAVENOL LAB21978–1982
BAXTER INT11994
Locations
LocationPatentsSpan
Libertyville, Illinois, US31978–1994
Rochester, New York, US11979