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Inventors

GORDON L. AMIDON GLEN D. LEESMAN LIZBETH B. SHERMAN

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TSRL, INC.

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MULTI-STAGE DRUG DELIVERY SYSTEM

07/648,968 | U.S. Patent Application

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Location

Filed Jan. 31, 1991

Examiner RAJ BAWA

Class 424

Art Group 1502

Case Type Utility - 424/472000

Status Abandoned -- File-Wrapper-Continuation Parent Application

Child 07/826,253 Abandoned

Child 08/251,731 Patented

Child 08/383,830 Patented

Child 08/946,515 Patented

Child 09/372,913 Patented

Last Updated: 5 years ago

Date	#	Transaction
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07/648,968 | U.S. Patent Application

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