USPTO TTABVUE. Trademark Trial and Appeal Board Inquiry System

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v2.6.0

Summary

Query: Correspondence Name contains all words: JOHN F. SIEBERTH ETHYL CORPORATION
Number of results: 3

Proceeding
Filing Date

Defendant(s),
Correspondent
Property(ies)

Plaintiff(s),
Correspondent
Property(ies)

91073633
02/24/1986

91071242
03/28/1985

ETHYL CORPORATION
JOHN F. SIEBERTH ETHYL CORPORATION
Mark: ETHONIC S#:73543837 R#:1426134

BASF CORPORATION
BERNHARD R. SWICK
Mark: PLURONIC S#:71604677 R#:547988