Helwig; Gregory S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helwig; Gregory S..The latest application filed is for "roof covering having improved tear strength".
- Helwig; Gregory S. - Granville OH
- Helwig; Gregory S. - Newark OH
| Patent | Date |
|---|---|
| Roof covering having improved tear strength Grant 8,324,121 - Lee , et al. December 4, 2 | 2012-12-04 |
| Roof Covering Having Improved Tear Strength App 20110311773 - Lee; Jerry HC ; et al. | 2011-12-22 |
| Roof coverings having improved tear strength Grant 8,012,576 - Lee , et al. September 6, 2 | 2011-09-06 |
| Mats for use in paved surfaces Grant 7,207,744 - Jones, IV. , et al. April 24, 2 | 2007-04-24 |
| Method for producing a wet-laid fiber mat App 20070006775 - Helwig; Gregory S. ; et al. | 2007-01-11 |
| Method of reinforcing and waterproofing a paved surface Grant 7,059,800 - Jones , et al. June 13, 2 | 2006-06-13 |
| Roof coverings having improved tear strength App 20050233663 - Lee, Jerry H.C. ; et al. | 2005-10-20 |
| Layered polymer fiber insulation and method of making thereof App 20050191925 - Tilton, Jeffrey A. ; et al. | 2005-09-01 |
| Conformable surfacing veil or reinforcement mat App 20050032452 - Helwig, Gregory S. | 2005-02-10 |
| Mats for use in paved surfaces App 20040120765 - Jones, David R. IV ; et al. | 2004-06-24 |
| Method of reinforcing and waterproofing a paved surface Grant 6,648,547 - Jones , et al. November 18, 2 | 2003-11-18 |
| Method of reinforcing and waterproofing a paved surface App 20030026654 - Jones, David R. IV ; et al. | 2003-02-06 |
| Method of reinforcing and waterproofing a paved surface App 20020159837 - Jones, David R. IV ; et al. | 2002-10-31 |
| Wet-laid nonwoven mat and a process for making same Grant 6,365,001 - Helwig , et al. April 2, 2 | 2002-04-02 |
| Wet-laid nonwoven mat and a process for making same Grant 6,267,843 - Helwig , et al. July 31, 2 | 2001-07-31 |
| Non-woven fiber mat and method for forming same Grant 5,972,166 - Helwig , et al. October 26, 1 | 1999-10-26 |
| Non-woven fiber mat and method for forming same Grant 5,935,879 - Helwig , et al. August 10, 1 | 1999-08-10 |
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.
| 