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Inventor

Charles B. Beal

Inventor
Menlo Park, CA, US

Overview

3→
Patents
1981–1998
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.

A61Bprimary
A61BDiagnosis40%
A61MDevices for introducing media into, or onto, the body40%
A61JContainers specially adapted for medical or pharmaceutical purposes20%
PatentTitleYear
5,738,110'Device for the diagnosis of certain gastrointestinal pathogens'19984,645,486'Device for drawing and processing blood and for administering liquid via parenteral injection'19874,257,421'Gastro-intestinal tube guide and stiffener'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to HEALTH DEV CORP (1)· patent assignee history
1981–1998Based in Menlo Park, CA, US· patent location history
1987Patents assigned to INT HEALTH SERVICES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEALTH DEV CORP11981
INT HEALTH SERVICES INC11987
Locations
LocationPatentsSpan
Menlo Park, California, US31981–1998