D. Drukker & Zn. N.V.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 10, 1987 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 40 Total Citation Count
- Sep 14, 1981 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4683400 Travelling wave tube and helix for such travelling wave tubeExpiredOct 25, 85Jul 28, 87[H01J]
4511783 Method for making electrical contacts to diamond by means of a laser, and diamond provided with contacts according to this optical methodExpiredFeb 03, 83Apr 16, 85[B23K]
4465932 Method and apparatus for the detection of ionizing radiationExpiredSep 14, 81Aug 14, 84[G01T]
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