Lang; John Stewart
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lang; John Stewart.The latest application filed is for "system and method for treating wastewater".
- Lang; John Stewart - Los Angeles CA
- Lang, John Stewart - US
- Lang, John Stewart - San Pedro CA
| Patent | Date |
|---|---|
| System and method for treating wastewater Grant 10,604,429 - Lang | 2020-03-31 |
| System and method for treating wastewater Grant 10,246,359 - Lang | 2019-04-02 |
| System And Method For Treating Wastewater App 20190039925 - Lang; John Stewart | 2019-02-07 |
| Venturi Apparatus And Method Of Use App 20180162757 - Lang; John Stewart | 2018-06-14 |
| System and Method for Treating Wastewater App 20170327395 - Lang; John Stewart | 2017-11-16 |
| Hydraulic jet flash mixer with gas diffusion port in the flow deflector App 20040246813 - Lang, John Stewart | 2004-12-09 |
| Second embodiment App 20020149995 - Lang, John Stewart | 2002-10-17 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 