LexDanaLexDanabeta
Inventor

Randolph Mellus Johnson

Inventor
Half Moon Bay, CA, US

Overview

3→
Patents
2003–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes27%
A61MDevices for introducing media into, or onto, the body27%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
A61FFilters implantable into blood vessels9%
Y02ATechnologies for adaptation to climate change9%
PatentTitleYear
6,835,194'Implantable devices and methods for treatment of pain by delivery of fentanyl and fentanyl congeners'20046,689,373'Devices and methods for pain management'20046,541,021'Devices and methods for pain management'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to DURECT CORP (3)· patent assignee history
2003–2004Based in Half Moon Bay, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DURECT CORP32003–2004
Locations
LocationPatentsSpan
Half Moon Bay, California, US32003–2004