Inventor · disambiguated record
Ronald L. Underwood
Also filed as: UNDERWOOD RONALD L
9 granted patents·2 pending applications·158 citations·filing 1993–2009
90Inventor score
Top patents by PatentIndex Score
11 records- 0181USD457908SEyeshieldsDIOPTICS MEDICAL PRODUCTS INC·Filed 2000·Granted May 28, 2002·27 cites·1 claims
- 0276US5546140AClip-on sunglassesFiled 1994·Granted Aug 13, 1996·28 cites·10 claims
- 0373US5431595ASystem for cutting clip-on sunglassesFiled 1993·Granted Jul 11, 1995·29 cites·19 claims
- 0470USD467959SEyeshieldDIOPTICS MEDICAL PRODUCTS INC·Filed 2002·Granted Dec 31, 2002·14 cites·1 claims
- 0570USD462374SEyeshieldDIOPTICS MEDICAL PRODUCTS INC·Filed 2000·Granted Sep 3, 2002·14 cites·1 claims
- 0669US8576022B2Tuning a programmable power line filterCHIKANDO ERIC N·Filed 2009·Granted Nov 5, 2013·6 cites·20 claims
- 0759US5423712ACutter for clip-on sunglassesFiled 1993·Granted Jun 13, 1995·28 cites·21 claims
- 0857US6609255B2Optically correct and clear eyeshieldsDIOPTICS MEDICAL PRODUCTS INC·Filed 2002·Granted Aug 26, 2003·8 cites·7 claims
- 0946US2004049826A1Optically correct and clear eyeshieldsFiled 2003·Application pending·0 cites
- 1043US2002166160A1Optically correct and clear eyeshieldsFiled 2001·Application pending·0 cites
- 1133US5674113AClip-on sunglasses and system for cutting clip-on sunglassesFiled 1996·Granted Oct 7, 1997·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →