Inventor
Thomas J. Sentementes
Inventor
Wakefield, MA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence18%
G08BSignalling systems, e.g. personal calling systems9%
H01JElectric discharge tubes or discharge lamps9%
B22DCasting of metals5%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C03CChemical composition of glasses, glazes or vitreous enamels5%
C06BExplosives or thermic compositions5%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation5%
PatentTitleYear
4,942,330'Lamp assembly utilizing shield and ceramic fiber mesh for containment'19904,886,956'Method of electroding PTC heaters'19894,536,678'Glass coated metal arc director for compact fluorescent lamp'19854,497,756'Method of making a photoflash article using injection molding'19854,263,850'Pyrotechnic cap with moisture indicator'19814,198,199'Lamp with protective coating and method of applying same'19804,157,729'Apparatus and method for producing filaments'19794,130,082'Flashlamp assembly for providing highly intense audible and visual signals'19784,079,350'Thermistor sensors'19784,055,759'Signal device using percussive flashlamps'19773,959,525'Method of coating photoflash lamp'19763,947,223'Photoflash lamp'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to GTE SYLVANIA INC (7)· patent assignee history
1976–1990Based in Wakefield, MA, US· patent location history
1981–1990Patents assigned to GTE PROD CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GTE SYLVANIA INC | 7 | 1976–1980 |
| GTE PROD CORP | 5 | 1981–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wakefield, Massachusetts, US | 12 | 1976–1990 |