loadpatents
Patent applications and USPTO patent grants for Perry; Frederick J..The latest application filed is for "rotary blades".
Patent | Date |
---|---|
Rotary blades Grant 5,492,448 - Perry , et al. February 20, 1 | 1996-02-20 |
Helicopter rotor blades Grant 5,205,715 - Perry , et al. April 27, 1 | 1993-04-27 |
Helicopter rotor blades Grant 5,199,851 - Perry , et al. April 6, 1 | 1993-04-06 |
Helicopter rotors Grant 5,100,294 - Crannage , et al. March 31, 1 | 1992-03-31 |
Helicopter rotor blades Grant 4,975,022 - Perry December 4, 1 | 1990-12-04 |
Helicopter rotor blade Grant 4,668,169 - Perry May 26, 1 | 1987-05-26 |
Helicopter rotor blade Grant 4,427,344 - Perry January 24, 1 | 1984-01-24 |
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.