Inventor

Ronald G. Blaisdell

Inventor

Saugus, MA, US

Overview

31→

Patents

1977–1993

Patent span

Electricity

Primary field (CPC H)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary

H01JElectric discharge tubes or discharge lamps21%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%

F21VFunctional features or details of lighting devices or systems thereof16%

LOCD28%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%

F21SNon-portable lighting devices5%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%

G09FDisplaying5%

H01KElectric incandescent lamps5%

A61NElectrotherapy3%

PatentTitleYear

D0334245'Fluorescent lamp'1993 5,142,191'Aperture fluorescent lamp with press seal configuration'1992 5,116,272'Method and apparatus for forming apertures in fluorescent lamps'1992 5,086,249'Compact discharge lamp unit and method for manufacturing same'1992 D0321857'Fluorescent lamp holder or the like'1991 D0318326'Electric forced air or gas heater'1991 4,990,821'Multicolor picture element with merged colors'1991 D0313659'Fluorescent lamp or the like'1991 4,937,487'Picture element lamp assembly for information display system'1990 4,934,768'Picture element lamp assembly for information display system'1990 4,878,159'Fluorescent lamp having removable jacket'1989 D0291921'Lamp'1987 D0291124'Fluorescent lamp or the like'1987 D0290513'Fluorescent lamp'1987 D0290110'Adaptor base for fluorescent lamp or the like'1987 D0290045'Electric lamp'1987 4,647,809'Electric lamp with self-mounting frame-assembly and method of constructing same'1987 4,608,624'Projection lamp unit with separable lamp capsule'1986 4,500,948'One-piece frame for an electric lamp'1985 4,482,942'Projection unit including glass reflector with insulative cap member'1984 4,403,276'Front loading projection unit with snap in capsule'1983 4,392,189'Front loading projection unit with threaded resilient retention member'1983 4,389,700'Projection unit with separable lamp capsule and slidable means for ejecting same'1983 4,388,679'Projection lighting unit with glass reflector capable of dual insertion'1983 4,384,319'Projection lighting unit with rear loading lamp capsule member'1983 D0251611'Photochemotherapy bed patient unit'1979 4,130,081'Activation means for flashlamp article'1978 4,100,415'Modular photochemotherapy chamber'1978 D0248315'Photochemotherapy chamber'1978 D0248316'Modular photochemotherapy chamber'1978 4,048,537'Protective ultraviolet-transmitting sleeve for fluorescent lamp'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to GTE SYLVANIA INC (5)· patent assignee history

1977–1993Based in Saugus, MA, US· patent location history

1979Patents assigned to OLIVETTI & CO SPA (1)· patent assignee history

1983–1993Patents assigned to GTE PROD CORP (25)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GTE PROD CORP	25	1983–1993
GTE SYLVANIA INC	5	1977–1978
OLIVETTI & CO SPA	1	1979

Locations

Location	Patents	Span
Saugus, Massachusetts, US	31	1977–1993