Inventor
Marcia A. Ryder
Inventor
San Mateo, CA, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
5,513,637'Method and apparatus for determining the position of catheters, tubes, placement guidewires and implantable ports within biological tissue'19965,375,596'Method and apparatus for determining the position of catheters, tubes, placement guidewires and implantable ports within biological tissue'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1996Patents assigned to HDC CORP (2)· patent assignee history
1994–1996Based in San Mateo, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HDC CORP | 2 | 1994–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Mateo, California, US | 2 | 1994–1996 |