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Inventor

Johnna B. Hawk

Inventor
Rocky Hill, NJ, US

Overview

5→
Patents
1981–1985
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B01Dprimary
B01DSeparation22%
B01LChemical or physical laboratory apparatus for general use22%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
D0278653'Centrifuge tube for separating and washing red blood cells'19854,436,631'Multiple particle washing system and method of use'19844,435,293'Particle washing system and method of use'19844,358,436'Blood typing tests and reagents'19824,296,090'Anti-D test and reagent'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to ORTHO DIAGNOSTICS (2)· patent assignee history
1981–1985Based in Rocky Hill, NJ, US· patent location history
1984–1985Patents assigned to ORTHO DIAGNOSTIC SYSTEMS INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ORTHO DIAGNOSTIC SYSTEMS INC31984–1985
ORTHO DIAGNOSTICS21981–1982
Locations
LocationPatentsSpan
Rocky Hill, New Jersey, US51981–1985