USPTO TTABVUE. Trademark Trial and Appeal Board Inquiry System

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v2.5.0

Summary

Query: Party Name contains all words: MEMBRANA, INC.
Number of results: 2

Proceeding
Filing Date

Defendant(s),
Property(ies)

Plaintiff(s),
Property(ies)

91068287
09/19/1983

MEMBRANA, INC.
Mark: PHARMA-SEP S#:73361435 R#:1585482

E. I. DU PONT DE NEMOURS AND COMPANY
Mark: PERMASEP S#:72248652 R#:825298

91068288
09/19/1983

MEMBRANA, INC.
Mark: TEFWEB S#:73361436

E. I. DU PONT DE NEMOURS AND COMPANY
Mark: TEFLON S#:71669317 R#:623605