patent · US6252724B1
Method for producing a fresnel lens on a catadioptric basis, and a fresnel lens produced using this method
26 June 2001
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
- Aqua Signal Aktiengesellschaft Spezialleuchfabrik
- Published
- 2001-06-26