IP Library › Granted Patent US 4,885,500
Granted Patent Utility
US 4,885,500 · App. 07/177,813

Quartz quadrupole for mass filter

Inventors: Stuart C. Hansen, John Fjeldsted, Carolyn C. Broadbent
Patented Case View Patent ↗
Granted: Dec 5, 1989 Filed: Mar 28, 1988
Inventors
Stuart C. Hansen
John Fjeldsted
Carolyn C. Broadbent
Assignee (at issue)
Hewlett-Packard Company, L.P.

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Quick Facts
Patent No.
US 4,885,500
App. No.
07/177,813
Filed
1988-03-28
Granted
1989-12-05
Kind
A