Individual holder
SHAFER DAVID R
US·1 granted patent·2 pending applications·2 citations·filing 2003–2005
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0143US8675276B2Catadioptric imaging system for broad band microscopySHAFER DAVID R·Filed 2003·Granted Mar 18, 2014·2 cites·57 claims
- 0241US2006007532A1Catadioptric optical system and exposure apparatus having the sameSHAFER DAVID R·Filed 2005·Application pending·0 cites
- 0336US2006082905A1Catadioptric projection objective with an in-line, single-axis configurationSHAFER DAVID R·Filed 2004·Application pending·0 cites
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