patent · US9880326B2
Surface structure and fresnel lens and tool for production of a surface structure
30 January 2018
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Provenance
- Collection
- Patents citing this work
- Patent office record
- patents.google.com →
- Source
- Google Patents citing-documents table
- Assignee
- Fraunhofer-Gesellschaft Zur Foederung Der Angewandten Forschung E.V.
- Published
- 2018-01-30