Carl; William P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Carl; William P..The latest application filed is for "composite fuel cell membranes".

Company Profile

0.17.0

Carl; William P. - Marble Falls TX
Carl; William P. - Angleton TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Composite fuel cell membranes Grant 5,654,109 - Plowman , et al. August 5, 1	1997-08-05
Method for forming polymer composite films using removable substrates Grant 5,114,515 - Birdwell , et al. * May 19, 1	1992-05-19
Method for forming polymer composite films using a removable substrate Grant 5,110,385 - Birdwell , et al. * May 5, 1	1992-05-05
Low equivalent weight sulfonic fluoropolymers Grant 4,940,525 - Ezzell , et al. July 10, 1	1990-07-10
Method for forming composite polymer films Grant 4,784,882 - Birdwell , et al. November 15, 1	1988-11-15
Method for sizing polytetrafluoroethylene fibers, yarn, or threads Grant 4,778,723 - Carl , et al. * October 18, 1	1988-10-18
Method for sizing and hydrolyzing polytetrafluoroethylene fabrics, fibers, yarns, or threads Grant 4,698,243 - Carl , et al. October 6, 1	1987-10-06
Preparation, decarboxylation and polymerization of novel acid fluorides and resulting monomers Grant 4,687,821 - Ezzell , et al. August 18, 1	1987-08-18
Method for sizing polytetrafluoroethylene fabrics Grant 4,650,711 - Carl , et al. March 17, 1	1987-03-17
Supported ion exchange membrane films Grant 4,650,551 - Carl , et al. March 17, 1	1987-03-17
Process to produce novel fluorocarbon vinyl ethers and resulting polymers Grant 4,578,512 - Ezzell , et al. March 25, 1	1986-03-25
Sulfonic acid electrolytic cell membranes and use thereof in the electrolysis of sodium chloride Grant 4,478,695 - Ezzell , et al. October 23, 1	1984-10-23
Electrolytic cell having an improved ion exchange membrane and process for operating Grant 4,470,889 - Ezzell , et al. September 11, 1	1984-09-11
Sulfonic acid electrolytic cell membranes Grant 4,417,969 - Ezzell , et al. November 29, 1	1983-11-29
Preparation of vinyl ethers Grant 4,358,412 - Ezzell , et al. November 9, 1	1982-11-09
Fluorocarbon ethers having substituted halogen site(s) and process to prepare Grant 4,337,211 - Ezzell , et al. June 29, 1	1982-06-29
Novel polymers having acid functionality Grant 4,330,654 - Ezzell , et al. May 18, 1	1982-05-18

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.