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Daniel C. Tanchangco
San Diego, CA
US
1 patent
2 Patents
US12204260
2025
Developer Roller
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
0 cites
US11906925
2024
Cleaner Rollers and Cleaning Electrophotographic Photoconductors
Hewlett-packard Development Company, L.P.
0 cites