21 Utility Patents
#78 in Philadelphia, PA
#2,652 in Pennsylvania
#80,254 in US
#157,806 in the World
Forward Citations = 274
Company Filing History:
American Home Products Corporation


4. 2 out of 832,575 patents
Other
5. 1 out of 202
Elan Pharmaceuticals, Inc.
where one patent can have more than one assignee
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