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Inventor
YU ALVIN ZHENG-HUI
US
2 patents
Patents
2 patents
US12427780B2
Sep 30, 2025
Fluid delivery system with pump servicing features
HEWLETT PACKARD DEVELOPMENT CO
0 citations
55
US12491720B2
Dec 9, 2025
Monitoring printing fluids
HEWLETT PACKARD DEVELOPMENT CO
0 citations
42