Inventor
Randolph H. Bretton
Inventor
Maryland Heights, MO, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels29%
A61BDiagnosis21%
A61KPreparations for medical, dental or toiletry purposes21%
A61LMethods or apparatus for sterilising materials or objects in general14%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
B82YSpecific uses or applications of nanostructures7%
PatentTitleYear
6,454,802'Intraocular lens implant for the prevention of secondary cataracts'20026,138,680'Method for destroying retinal pigment epithelial cells'20006,106,554'Intraocular lens implants for the prevention of secondary cataracts'20006,089,234'Method for destroying residual lens epithelial cells'20005,885,279'Method and apparatus for preventing posterior capsular opacification'19995,620,013'Method for destroying residual lens epithelial cells'19975,445,637'Method and apparatus for preventing posterior capsular opacification'19955,445,636'Method and apparatus for preventing posterior capsular opacification'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1997Patents assigned to AMERICAN CYANAMID CO (3)· patent assignee history
1995–2000Based in Maryland Heights, MO, US· patent location history
1999Patents assigned to STORZ OPHTHALMICS INC (1)· patent assignee history
2000Patents assigned to BAUSCH & LOMB SURGICAL INC (3)· patent assignee history
2000–2002Based in Belleville, IL, US· patent location history
2002Patents assigned to BAUSCH & LOMB (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN CYANAMID CO | 3 | 1995–1997 |
| BAUSCH & LOMB SURGICAL INC | 3 | 2000 |
| BAUSCH & LOMB | 1 | 2002 |
| STORZ OPHTHALMICS INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Maryland Heights, MO, US | 6 | 1995–2000 |
| Belleville, Illinois, US | 2 | 2000–2002 |