Inventor

Petrus Johannes Julius Witterick

Inventor

Eindhoven, NL

Overview

1977

Patent span

Mechanical engineering

Primary field (CPC F)

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

F21Kprimary

F21KNon-electric light sources using luminescence50%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to PHILIPS CORP (1)· patent assignee history

1977Based in Eindhoven, NL· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILIPS CORP	1	1977

Locations

Location	Patents	Span
Eindhoven, NL	1	1977