Inventor

Norbert Proelss

Inventor
Wendelstein, DE

Overview

1→
Patents
1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C22Bprimary
C22BProduction and refining of metals33%
C22CAlloys33%
H01HElectric switches33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to SIEMENS AG (1)· patent assignee history
1990Based in Wendelstein, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG11990
Locations
LocationPatentsSpan
Wendelstein, DE11990