Hoffrichter; Ingo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffrichter; Ingo.The latest application filed is for "method and circuit arrangement for selective correction of hues and colors".
- Hoffrichter; Ingo - Kiel DE
| Patent | Date |
|---|---|
| Method and circuit arrangement for selective correction of hues and colors Grant 4,649,423 - Hoffrichter , et al. * March 10, 1 | 1987-03-10 |
| Method and apparatus for the production of color separations for single color printing Grant 4,631,579 - Hoffrichter , et al. December 23, 1 | 1986-12-23 |
| Method and apparatus for the recognition of hues and colors Grant 4,623,973 - Hoffrichter , et al. November 18, 1 | 1986-11-18 |
| Apparatus for mixing image signals to obtain a printing master Grant 4,403,249 - Knop , et al. * September 6, 1 | 1983-09-06 |
| Apparatus including a circuit arrangement for adjusting the color signal levels of a white dot Grant 4,136,360 - Hoffrichter , et al. January 23, 1 | 1979-01-23 |
| Circuit arrangement for resetting the signal level of a darkest area of a color or monochrome image reproduction apparatus Grant 4,096,519 - Hoffrichter , et al. June 20, 1 | 1978-06-20 |
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.
| 