exact
PERMA-ETCH
exact
PERMA-ETCH
Trademarks matching 'perma-etch'
Summary of page content
1977-08-15
1111136
1979-01-16
US
-
1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
printed circuit board etchants
800
REGISTERED AND RENEWED
2019-01-16
2021-02-04
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