Chang Stanley F
USPTO Trademark & Patent Filings
Trademark applications and grants for Chang Stanley F. Chang Stanley F has 2 trademark applications. The latest application filed is for "LEFTWARD GUIDE"
- Company Aliases
- Chang, Stanley F.
- f stanley chang
- Chang; Stanley F. - Fresno CA
- Chang, Stanley F. - Fresno CA
Trademarks Patents
| Patent Application | Date |
|---|---|
| Colonoscope Guide and Method of Use for Improved Colonoscopy 20100280318 - 12/837495 Chang; Stanley F. | 2010-11-04 |
| Device to facilitate suctioning of fluid during gastrointestinal endoscopy 20090287056 - 12/152167 Chang; Stanley F. | 2009-11-19 |
| Colonoscope guide and method of use for improved colonoscopy 20080027281 - 11/496375 Chang; Stanley F. | 2008-01-31 |
| Closure mechanism for an endoscopic overtube having a slot 20060063972 - 10/947629 Chang; Stanley F. | 2006-03-23 |
| Polypectomy snare for specimen retrieval 20050131403 - 10/735194 Chang, Stanley F. | 2005-06-16 |
| Colonoscope guide and method of use for improved colonoscopy 7,798,957 - 11/496,375 Chang September 21, 2 | 2010-09-21 |
| Locking mechanism for an endoscopic overtube 6,712,755 - 10/099,299 Chang March 30, 2 | 2004-03-30 |
| Sigmoid splint device for endoscopy 5,941,815 - 09/113,414 Chang August 24, 1 | 1999-08-24 |
| Sigmoid splint device for endoscopy 5,779,624 - 08/760,704 Chang July 14, 1 | 1998-07-14 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"LEFTWARD GUIDE" 77137261 |
LEFTWARD GUIDE 2007-03-22 |
"SLIMCHOL" 78697362 |
SLIMCHOL 2005-08-22 |
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