Inventor · disambiguated record
Norman L. Helman
Also filed as: HARJU KAREN M · HELMAN NORMAN L · HELMAN NORMAN LEON
4 granted patents·452 citations·filing 1998–2004
82Inventor score
Top patents by PatentIndex Score
4 records- 0196US6919530B2Method and apparatus for laser scribing glass sheet substrate coatingsFIRST SOLAR LLC·Filed 2003·Granted Jul 19, 2005·225 cites·40 claims
- 0296US6559411B2Method and apparatus for laser scribing glass sheet substrate coatingsFIRST SOLAR LLC·Filed 2001·Granted May 6, 2003·205 cites·11 claims
- 0357US5852398AApparatus for indicating failure of an air filtration system in a diesel engineHELMAN NORMAN LEON·Filed 1998·Granted Dec 22, 1998·21 cites·7 claims
- 0439US9457429B2Method and apparatus for laser scribing glass sheet substrate coatingsBORGESON FRANK A·Filed 2004·Granted Oct 4, 2016·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →