IP Library › Granted Patent US 4,902,284
Granted Patent Utility
US 4,902,284 · App. 07/290,158

Dry bottle drainage system

Inventors: Nicholas F. D'Antonio, Nicholas J. D'Antonio
Patented Case View Patent ↗
Granted: Feb 20, 1990 Filed: Dec 27, 1988
Inventors
Nicholas F. D'Antonio
Nicholas J. D'Antonio
Assignee (at issue)
Pfizer Inc.

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Quick Facts
Patent No.
US 4,902,284
App. No.
07/290,158
Filed
1988-12-27
Granted
1990-02-20
Kind
A