Welcker; Friedrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welcker; Friedrich.The latest application filed is for "safety contrivance for gas-using device".
- Welcker; Friedrich - D-58119 Hagen DE
- Welcker; Friedrich - Hagen-Hohenlimburg DE
- Welcker; Friedrich - 5850 Hohenlimburg B.R.D
- Welcker; Friedrich - Im Sonnenwinkel 28 DT
- Welcker; Friedrich - 585 Hohenlimburg DT
| Patent | Date |
|---|---|
| Safety contrivance for gas-using device Grant 6,789,566 - Welcker September 14, 2 | 2004-09-14 |
| Battery terminal connection cable Grant 6,719,595 - Welcker April 13, 2 | 2004-04-13 |
| Releasable coupling and method for making such coupling Grant 4,111,470 - Welcker September 5, 1 | 1978-09-05 |
| Self-cleaning Burner Cover, Especially For Household Appliances Grant 3,835,832 - Welcker September 17, 1 | 1974-09-17 |
| Releasable Coupling For Tubular Members And Method For Assemblying Said Coupling Grant 3,822,074 - Welcker July 2, 1 | 1974-07-02 |
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.
| 