Impervron Trademarks

IMPERVRON
metal bearing seals for industrial machinery sold as a component of bearings
Registered  ·  November 16, 1992  ·  74331760  · 
impervron
IMPERVRON
bearing seals FOR INDUSTRIAL MACHINERY
Abandoned  ·  January 29, 1990  ·  74023615  · 
IMPERVRON
BEARING SEALS
Expired  ·  April 23, 1964  ·  72191863  ·