Inventor

HOUGH HAROLD L

US44 patents

⚠️ This page may combine multiple inventors who share the name “HOUGH HAROLD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOUGH HAROLD L

GTE PROD CORP

Compact discharge lamp unit and method for manufacturing same

Fluorescent lamp having removable jacket

Projection lighting unit with glass reflector capable of dual insertion

Projection unit including glass reflector with insulative cap member

Picture element lamp assembly for information display system

Projection lamp unit with separable lamp capsule

Variably positional lamp holder assembly

Arc discharge lamp having cementless right-angle base members

Filamented lamp manufacture method

Fluorescent lamp

Automatic shut-off device for an electric lamp

Adaptor base for fluorescent lamp or the like

Circular fluorescent lamp holder

Front loading projection unit with threaded resilient retention member

Projection unit with separable lamp capsule and slidable means for ejecting same

Front loading projection unit with wireform retention member

Neck extender for a reflector lamp

Arc discharge lamp containing mechanism for extinguishing arc at end-of-life

Method and mold for fabricating an arc tube for an arc discharge lamp

Thermal protector for circular fluorescent lamp assembly

Reflector lamp with neck extender

Projection lighting unit with rear loading lamp capsule member

Arc discharge lamp having cementless base members

Fluorescent lamp or the like

Electric lamp

Compact fluorescent lamp having internal thermally actuable means

Fluorescent lamp holder

Fluorescent lamp or the like

Method and apparatus for forming apertures in fluorescent lamps

Electric lamp, base for use therewith and method of assembling same

Fluorescent lamp or the like

Reflector lamp with neck extender

Fluorescent lamp or the like

Fluorescent lamp

Fluorescent lamp or the like

Temperature control apparatus for controlling metallic vapor pressure in a closed cell

GTE SYLVANIA INC

Front loading projection unit

Modular photochemotherapy chamber

Protective ultraviolet-transmitting sleeve for fluorescent lamp

Projection unit having removable retention member

Photochemotherapy chamber

Modular photochemotherapy chamber

Activation means for flashlamp article

OLIVETTI & CO SPA

Photochemotherapy bed patient unit