Inventor · disambiguated record
Fred Langford
Also filed as: LANGFORD FRED · LANGFORD FRED E
4 granted patents·145 citations·filing 1995–2003
81Inventor score
Files withEDERER CORP1
Top patents by PatentIndex Score
4 records- 0182USD459712SCell phoneFiled 2001·Granted Jul 2, 2002·34 cites·1 claims
- 0280US6925315B2Telephone handset with thumb-operated tactile keypadFiled 2001·Granted Aug 2, 2005·39 cites·6 claims
- 0378US5671912AMethod & apparatus for providing low speed safety braking for a hoist systemEDERER CORP·Filed 1995·Granted Sep 30, 1997·52 cites·8 claims
- 0471USD487440SCell phoneFiled 2003·Granted Mar 9, 2004·20 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →