The patent application was filed by Knowles Electronics, LLC for a driver with acoustic filter chamber. It was filed on March 18, 2016 before being approved on Aug. 3, 2021.
It was the only patent approved in the week ending Aug. 7 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 Aug. 7
| Applicant Name | Filing Date | Granted Date |
|---|---|---|
| Knowles Electronics, LLC | 2016-03-18 | 2021-08-03 |
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