Inventor
Charles N. Stewart
Inventor
Skaneateles, NY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis36%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests27%
H01JElectric discharge tubes or discharge lamps18%
C03CChemical composition of glasses, glazes or vitreous enamels9%
C04BLime, magnesia9%
PatentTitleYear
RE044806'Electrical adapter for medical diagnostic instruments using LEDs as illumination sources'20148,447,385'Handheld medical microwave radiometer'20137,458,934'Electrical adapter for medical diagnostic instruments using replaceable LEDs as illumination sources'20087,276,025'Electrical adapter for medical diagnostic instruments using LEDs as illumination sources'20075,394,057'Protective metal silicate coating for a metal halide arc discharge lamp'19955,013,968'Reprographic metal halide lamps having long life and maintenance'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1995Patents assigned to GEN ELECTRIC (2)· patent assignee history
1991–1995Based in Chagrin Falls, OH, US· patent location history
2007–2014Patents assigned to WELCH ALLYN INC (4)· patent assignee history
2007–2014Based in Skaneateles, NY, US· patent location history
2013–2014Patents assigned to STEWART CHARLES N (2)· patent assignee history
2014Patents assigned to BRIGGMAN SHAWN A (1)· patent assignee history
2014Patents assigned to DAVIS PETER J (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WELCH ALLYN INC | 4 | 2007–2014 |
| GEN ELECTRIC | 2 | 1991–1995 |
| STEWART CHARLES Nself | 2 | 2013–2014 |
| BRIGGMAN SHAWN A | 1 | 2014 |
| DAVIS PETER J | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Skaneateles, New York, US | 4 | 2007–2014 |
| Chagrin Falls, OH, US | 2 | 1991–1995 |