Individual holder
SCHAACK DAVID F
2 granted patents·29 citations·filing 2002–2006
Individually held — no corporate assignee on record.
Technology mixG02B2
Top patents by PatentIndex Score
2 records- 0182US7161741B1Focusing systems for perspective dimensional measurements and optical metrologySCHAACK DAVID F·Filed 2002·Granted Jan 9, 2007·27 cites·32 claims
- 0255US7224539B2Providing optical systems having improved properties to users of catalog (stock) lensesSCHAACK DAVID F·Filed 2006·Granted May 29, 2007·2 cites·55 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →