| MST CAPSULE RETRACTOR | MICROSURGICAL TECHNOLOGY INC | 2017-12-12 |
| MST CAPSULE RETRACTORS | MICROSURGICAL TECHNOLOGY INC | 2017-03-15 |
| MSTMANDELBURG IRRIGATING ROTATOR | MICROSURGICAL TECHNOLOGY, INC. | 2014-11-24 |
| MST CAPSULE RETRACTOR | MICROSURGICAL TECHNOLOGY, INC. | 2014-03-26 |
| MST CAPSULE RETRACTOR | MICROSURGICAL TECHNOLOGY, INC. | 2014-03-26 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY | 2013-05-08 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY INC | 2013-03-27 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY INC | 2013-03-27 |
| MALYUGIN RING SYSGTEM | MICROSURGICAL TECHNOLOGY, INC. | 2013-03-21 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGIES, INC. | 2013-02-18 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGIES, INC. | 2013-02-18 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2013-01-16 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2012-09-01 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2012-04-13 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY INC | 2012-02-24 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY INC | 2011-07-22 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2011-05-04 |
| IRIS RETRACTORS | SYNERGETICS, INC. | 2010-11-15 |
| MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2009-09-14 |
| MST MALYUGIN RING SYSTEM | MICROSURGICAL TECHNOLOGY, INC. | 2009-05-16 |
| IRIS RETRACTOR | DUTCH OPHTHALMIC | 2005-04-18 |
| MSIDISPOSABLE IRIS RETRACTORS | MSI | 2005-04-12 |
| RETRACTOR | SNOWDEN-PENCER, INC. | 1997-04-23 |
| STORZ FENZL IRIS RETRACTOR | STORZ INSTRUMENT CO. | 1997-03-04 |