Patent assignee · US · COMPANY

Peter M. Stephan Center Ltd.

2Patents
0Active
2Granted
24Portfolio score

Filing activity: Oct 23, 1986 → Oct 6, 1987

Most-cited patents

PatentTitleAreaCited byStatus
US4769234A Skin care compositions containing polyvalent equine immune serum Human Necessities 6 Expired
US4732752A Polyvalent equine immune serum composition and method for treating rheumatoid arthritis Emerging Cross-Sectional Technologies 6 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.