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Inventor

Richard J. Range

Inventor
Silver Spring, MD, US

Overview

3→
Patents
1977–1978
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Lprimary
B01LChemical or physical laboratory apparatus for general use25%
F04BPositive-displacement machines for liquids25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
LOCD225%
PatentTitleYear
4,131,426'Tip wiper apparatus and method'19784,120,202'Positive displacement pump'1978D0246465'Proportional dialysis unit'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to BAXTER TRAVENOL LAB (3)· patent assignee history
1977–1978Based in Silver Spring, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAXTER TRAVENOL LAB31977–1978
Locations
LocationPatentsSpan
Silver Spring, Maryland, US31977–1978