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The patent linked in the article was filed March 5, 1998, more than 20 years ago. Has the patent expired? Should the article be updated to reflect that it was a previously patented technology?
| This is the
talk page for discussing improvements to the
HearFones article. This is not a forum for general discussion of the article's subject. |
Article policies
|
| Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
|
| This article is rated Start-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
| |||||||||||
The patent linked in the article was filed March 5, 1998, more than 20 years ago. Has the patent expired? Should the article be updated to reflect that it was a previously patented technology?