Inventor
Charles W. Markham
Inventor
Clearwater Beach, FL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis63%
A61MDevices for introducing media into, or onto, the body13%
A61NElectrotherapy13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
7,020,525'Flexible electrical interconnect for an implantable medical device'20064,931,059'Needle/stylet combination'19904,774,948'Marking and retraction needle having retrievable stylet'19884,693,257'Needle aspiration biopsy device with enclosed fluid supply'19874,555,243'Flexible and protective guide device for use with aspirating needles'19854,549,554'Aspiration biopsy device'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1990Patents assigned to MARKHAM CHARLES W (5)· patent assignee history
1985–1990Based in Clearwater Beach, FL, US· patent location history
1985Based in Clearwater, FL, US· patent location history
2006Patents assigned to PACESETTER INC (1)· patent assignee history
2006Based in Newhall, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARKHAM CHARLES Wself | 5 | 1985–1990 |
| PACESETTER INC | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Clearwater Beach, Florida, US | 4 | 1985–1990 |
| Newhall, California, US | 1 | 2006 |
| Clearwater, Florida, US | 1 | 1985 |