Inventor
LING DAVID
TW22 patents
⚠️ This page may combine multiple inventors who share the name “LING DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAND TOOL DESIGN CORP
12 patentsUS6230591B1May 15, 2001
Reversible ratcheting tool with improved gear wheel/pawl engagement
HAND TOOL DESIGN CORP99 citations98
US6629477B2Oct 7, 2003
Reversible ratchet wrench with high torsion
HAND TOOL DESIGN CORP61 citations96
US6134990AOct 24, 2000
Ratcheting tool with improved gear wheel/pawl engagement
HAND TOOL DESIGN CORP75 citations96
US6076669AJun 20, 2000
Tool display rack
HAND TOOL DESIGN CORP86 citations96
US5988381ANov 23, 1999
Tool display pack with a security device
HAND TOOL DESIGN CORP55 citations96
US5899329AMay 4, 1999
Display tool box
HAND TOOL DESIGN CORP88 citations96
US6523687B2Feb 25, 2003
Toolbox with dual tool-receiving grooves and display in both sides thereof
HAND TOOL DESIGN CORP35 citations92
US6126004AOct 3, 2000
Tool display box
HAND TOOL DESIGN CORP37 citations92
US6701768B2Mar 9, 2004
Process for making ratchet wheels
HAND TOOL DESIGN CORP16 citations84
US6712224B2Mar 30, 2004
Tool rack assembly
HAND TOOL DESIGN CORP12 citations74
USD426151SJun 6, 2000
Tool display box
HAND TOOL DESIGN CORP12 citations74
USD430799SSep 12, 2000
Tool display box
HAND TOOL DESIGN CORP5 citations63