Inventor
RIVERA DAVID L
US5 patents
Patents
5 patentsUS5443461AAug 22, 1995
Segmented device for simultaneous delivery of multiple beneficial agents
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US5609885AMar 11, 1997
Osmotic membrane and delivery device
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US5607696AMar 4, 1997
Osmotic membrane and delivery device
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US4731122AMar 15, 1988
Process for manufacturing a thermoplastic molding composition
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US5783213AJul 21, 1998
Osmotic membrane and delivery device
ALZA CORP8 citations73