Inventor
Donald E. Kephart
Inventor
Portland, OR, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps75%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
PatentTitleYear
5,948,228'Method of fabricating a channel member for a PALC display panel'19995,917,284'Sputter-resistant conductive coatings with enhanced emission of electrons for cathode electrodes in DC plasma addressing structure'19995,783,906'Sputter-resistant, low-work-function, conductive coatings for cathode electrodes in DC plasma addressing structure'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–1999Patents assigned to TEKTRONIX INC (3)· patent assignee history
1998–1999Based in Portland, OR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEKTRONIX INC | 3 | 1998–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Portland, OR, US | 3 | 1998–1999 |