loadpatents
Patent applications and USPTO patent grants for Schaefer; David J..The latest application filed is for "rail car cover system".
Patent | Date |
---|---|
Control system for rail car cover system Grant 8,869,711 - Dimmer , et al. October 28, 2 | 2014-10-28 |
Rail car cover system Grant 8,826,827 - Dimmer , et al. September 9, 2 | 2014-09-09 |
Rail car extension system Grant 8,141,498 - Barr , et al. March 27, 2 | 2012-03-27 |
Rail car cover system Grant 7,967,363 - Schaefer , et al. June 28, 2 | 2011-06-28 |
Rail Car Cover System App 20110030575 - Schaefer; David J. ;   et al. | 2011-02-10 |
Rail car cover system Grant 7,823,515 - Schaefer , et al. November 2, 2 | 2010-11-02 |
Rail Car Cover System App 20100037798 - Schaefer; David J. ;   et al. | 2010-02-18 |
Self-learning server communicating values from a plurality of communicating devices of one communication network to a client of another communication network App 20060224711 - Engel; Joseph C. ;   et al. | 2006-10-05 |
Grizzly screening apparatus Grant 6,336,560 - Schaefer January 8, 2 | 2002-01-08 |
Grizzly screening apparatus Grant 6,098,811 - Schaefer August 8, 2 | 2000-08-08 |
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.