SIGMA ENGINEERING AB
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Mar 20, 2018 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 0 Total Citation Count
- Jul 07, 2008 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2017/0022,616 OXIDATION OF COPPER IN A COPPER ETCHING SOLUTION BY THE USE OF OXYGEN AND/OR AIR AS AN OXIDIZING AGENTApr 01, 15Jan 26, 17[C23F, H05K]
Recent Patents
Expired/Abandoned/Withdrawn Patents
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