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Inventor

Johan A. Rietdijk

Inventor
Eindhoven, NL

Overview

3→
Patents
1977–1990
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps75%
H02KDynamo-electric machines25%
PatentTitleYear
4,950,192'Method of manufacturing of color display tube'19904,644,577'X-ray tube comprising an anode disc rotatably journalled on a helical-groove bearing'19874,065,674'Rotary-anode X-ray tube'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1990Patents assigned to PHILIPS CORP (3)· patent assignee history
1977–1990Based in Eindhoven, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIPS CORP31977–1990
Locations
LocationPatentsSpan
Eindhoven, NL31977–1990