The patent application was filed by Knowles Electronics, LLC for a microphone with integrated gas sensor. It was filed on June 9, 2017 before being approved on Aug. 31, 2021.
It was the only patent approved in the week ending Sep. 4 from Itasca.
Though patents are required for inventions and products, the granting of a patent is not a guarantee for success. Dennis Crouch, co-director of the Center for Intellectual Property & Entrepreneurship said roughly 50 percent of patents expire prematurely due to costs.
Longest patent application period in Itasca for week ending Sep. 4
| Applicant Name | Filing Date | Granted Date |
|---|---|---|
| Knowles Electronics, LLC | 2017-06-09 | 2021-08-31 |
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