Firstenberg; Keith
Patent Applications and Registrations
Patent applications and USPTO patent grants for Firstenberg; Keith.The latest application filed is for "spark plug with a suppressor that is formed at low temperature".
- Firstenberg; Keith - Livonia MI
| Patent | Date |
|---|---|
| Spark plug with a suppressor that is formed at low temperature Grant 10,418,789 - Ma , et al. Sept | 2019-09-17 |
| Spark plug with improved seal Grant 9,893,495 - Firstenberg , et al. February 13, 2 | 2018-02-13 |
| Spark Plug With A Suppressor That Is Formed At Low Temperature App 20180034247 - Ma; Shuwei ; et al. | 2018-02-01 |
| Corona ignition device with improved seal Grant 9,751,797 - Firstenberg , et al. September 5, 2 | 2017-09-05 |
| Corona ignition device with improved seal Grant 9,685,767 - Firstenberg , et al. June 20, 2 | 2017-06-20 |
| Method for drying seal materials for ignition devices Grant 9,651,306 - Firstenberg May 16, 2 | 2017-05-16 |
| Spark Plug With Improved Seal App 20160344164 - Firstenberg; Keith ; et al. | 2016-11-24 |
| Corona Ignition Device With Improved Seal App 20160344165 - Firstenberg; Keith ; et al. | 2016-11-24 |
| Spark plug with improved seal Grant 9,407,069 - Firstenberg , et al. August 2, 2 | 2016-08-02 |
| Spark Plug With Improved Seal App 20160043531 - FIRSTENBERG; KEITH ; et al. | 2016-02-11 |
| Corona Ignition Device With Improved Seal App 20160039712 - FIRSTENBERG; KEITH ; et al. | 2016-02-11 |
| Method For Drying Seal Materials For Ignition Devices App 20140259726 - Firstenberg; Keith | 2014-09-18 |
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