trademark vs Elinvar

trademark and Elinvar both are nouns.

Word	Noun	Adjective	Verb	Adverb
trademark	Yes	No	Yes	No
Elinvar	Yes	No	No	No

trademark (noun)	Elinvar (noun)
a distinctive characteristic or attribute of someone or something	Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures
a formally registered symbol identifying the manufacturer or distributor of a product

trademark (verb)	Elinvar (verb)
register the trademark of
mark with a brand or trademark