Inventor · disambiguated record
Vern Bigham
Also filed as: BIGHAM VERN
4 granted patents·126 citations·filing 1996–2002
80Inventor score
Technology areasB66F
Top patents by PatentIndex Score
4 records- 0188US6520482B1Lifting apparatus for a manhole coverFiled 2001·Granted Feb 18, 2003·43 cites·22 claims
- 0282US5775674ALift apparatus having a pivoting pole for lifting and moving a manhole coverFiled 1996·Granted Jul 7, 1998·48 cites·9 claims
- 0378US6676111B2Universal manhole cover engaging toolFiled 2002·Granted Jan 13, 2004·23 cites·9 claims
- 0465US6176469B1Manhole cover engaging toolsFiled 2000·Granted Jan 23, 2001·12 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →