Inventor

Randolph H. Bretton

Inventor
Maryland Heights, MO, US

Overview

8→
Patents
1995–2002
Patent span
Human necessities
Primary field (CPC A)

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%

Career & 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
AssigneePatentsSpan
AMERICAN CYANAMID CO31995–1997
BAUSCH & LOMB SURGICAL INC32000
BAUSCH & LOMB12002
STORZ OPHTHALMICS INC11999
Locations
LocationPatentsSpan
Maryland Heights, MO, US61995–2000
Belleville, Illinois, US22000–2002