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Inventor

Roloff Johannsen

Inventor
Marburg, DE

Overview

2→
Patents
1979
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
A61KPreparations for medical, dental or toiletry purposes20%
PatentTitleYear
4,166,106'Immunologic determination method'19794,157,383'Tanned thrombocytes'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to BEHRINGWERKE AG (2)· patent assignee history
1979Based in Marburg, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEHRINGWERKE AG21979
Locations
LocationPatentsSpan
Marburg, DE21979