Inventor · disambiguated record
Frederick E. Liu
Also filed as: LIU FREDERICK E
4 granted patents·101 citations·filing 1990–2002
79Inventor score
Top patents by PatentIndex Score
4 records- 0178US6644808B1End fastener for eyeglass retainersCHUMS INC·Filed 2002·Granted Nov 11, 2003·32 cites·16 claims
- 0260US5081718APants type garment having a seamless crotchLIFE LINK INTERNATIONAL INC·Filed 1990·Granted Jan 21, 1992·51 cites·9 claims
- 0351USD477835SEnd fastener for an eyeglass retainerCHUMS INC·Filed 2002·Granted Jul 29, 2003·9 cites·1 claims
- 0431US5549329ASki pole and removable hand gripLIFE LINK INTERNATIONAL INC·Filed 1995·Granted Aug 27, 1996·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →