Inventor · disambiguated record
Erhard Effer
Also filed as: EFFER ERHARD
3 granted patents·195 citations·filing 1986–1998
78Inventor score
Files withRODENSTOCK OPTIK G3
Top patents by PatentIndex Score
3 records- 0186US6171525B1Process for the production of a photochromic objectRODENSTOCK OPTIK G·Filed 1998·Granted Jan 9, 2001·60 cites·21 claims
- 0285US4852974AAnti-reflection film for an optical element consisting of an organic materialRODENSTOCK OPTIK G·Filed 1986·Granted Aug 1, 1989·82 cites·6 claims
- 0377US5498686AOptically transparent photochromic plastic materialRODENSTOCK OPTIK G·Filed 1994·Granted Mar 12, 1996·53 cites·6 claims
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