trade name vs Zimmer frame

trade name and Zimmer frame both are nouns.

Word	Noun	Adjective	Verb	Adverb
trade name	Yes	No	No	No
Zimmer frame	Yes	No	No	No

trade name (noun)	Zimmer frame (noun)
a name given to a product or service	a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk