Inventor · disambiguated record
David Allen Letchworth
Also filed as: LETCHWORTH DAVID ALLEN
4 granted patents·22 citations·filing 2003–2024
68Inventor score
Files withCROWN EQUIP CORP4
Top patents by PatentIndex Score
4 records- 0184US12420363B2Alignment spacer assemblies for welding and methods for using sameCROWN EQUIP CORP·Filed 2024·Granted Sep 23, 2025·0 cites·7 claims
- 0280US11607754B2Alignment spacer assemblies for welding and methods for using sameCROWN EQUIP CORP·Filed 2020·Granted Mar 21, 2023·1 cites·17 claims
- 0378US12109654B2Alignment spacer assemblies for welding and methods for using sameCROWN EQUIP CORP·Filed 2023·Granted Oct 8, 2024·0 cites·13 claims
- 0475US6904641B2Adjustable eccentric axle caster assembly for pallet truckCROWN EQUIP CORP·Filed 2003·Granted Jun 14, 2005·21 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →