loadpatents
Patent applications and USPTO patent grants for Hill; Francis U..The latest application filed is for "method of impregnating reticulated foam with polymide foam and products thereof".
Patent | Date |
---|---|
Method of impregnating reticulated foam with polymide foam and products thereof Grant 5,135,959 - Hill August 4, 1 | 1992-08-04 |
Method of improving foam fire resistance through the introduction of inorganic particles thereinto Grant 5,047,436 - Hill , et al. September 10, 1 | 1991-09-10 |
Method of improving foam fire resistance through the introduction of metal oxides thereinto Grant 5,000,813 - Hill March 19, 1 | 1991-03-19 |
Method of manufacturing polyimide foam shapes having improved density and cell size uniformity Grant 4,980,102 - Hill December 25, 1 | 1990-12-25 |
Polyetherimide foam precursors and foams having improved physical properties and methods of making them Grant 4,980,389 - Hill , et al. December 25, 1 | 1990-12-25 |
Method of making porous inorganic particle filled polyimide foam insulation products Grant 4,978,690 - Hill December 18, 1 | 1990-12-18 |
Method of making porous inorganic particle filled polyimide foam insulation products Grant 4,865,784 - Hill September 12, 1 | 1989-09-12 |
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.