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Zong S. Luo
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Longmont, CO, US
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last 30 patents
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Patent Grant
Magnetic circuit and print hammer
Patent number
4,423,675
Issue date
Jan 3, 1984
Hewlett-Packard Company
Zong S. Luo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Impact printing apparatus and method using reluctance switching and...
Patent number
4,273,039
Issue date
Jun 16, 1981
Hewlett-Packard Company
Zong S. Luo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Suspension system for use with high speed printers
Patent number
4,054,330
Issue date
Oct 18, 1977
Hewlett-Packard Company
Zong S. Luo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS