HH

Harold L. Hough

GP Gte Products: 36 patents #7 of 928Top 1%
GL Gte Sylvania Limited: 1 patents #17 of 98Top 20%
📍 Beverly, MA: #7 of 490 inventorsTop 2%
🗺 Massachusetts: #2,153 of 88,656 inventorsTop 3%
Overall (All Time): #91,088 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
D352120 Reflector lamp with neck extender Thomas Haraden, Peter R. Gagnon, Joseph P. Gallant, Arnold E. Westlund, Jr. 1994-11-01
D352121 Reflector lamp with neck extender Thomas Haraden, Peter R. Gagnon, Joseph P. Gallant, Arnold E. Westlund, Jr. 1994-11-01
5296780 Arc discharge lamp having cementless right-angle base members Thomas Haraden 1994-03-22
5276379 Arc discharge lamp having cementless base members Thomas Haraden 1994-01-04
5254901 Neck extender for a reflector lamp Thomas Haraden, Peter R. Gagnon 1993-10-19
5213536 Filamented lamp manufacture method George J. English 1993-05-25
5210461 Arc discharge lamp containing mechanism for extinguishing arc at end-of-life Robert Y. Pai, Thomas Haraden 1993-05-11
D334245 Fluorescent lamp Ronald G. Blaisdell 1993-03-23
5133682 Method and mold for fabricating an arc tube for an arc discharge lamp Thomas J. Gilligan, George J. English 1992-07-28
5116272 Method and apparatus for forming apertures in fluorescent lamps Ronald G. Blaisdell, Robert Y. Pai 1992-05-26
5086249 Compact discharge lamp unit and method for manufacturing same Ronald G. Blaisdell 1992-02-04
5082356 Temperature control apparatus for controlling metallic vapor pressure in a closed cell Thomas Haraden, Philip E. Moskowitz 1992-01-21
D313659 Fluorescent lamp or the like Ronald G. Blaisdell 1991-01-08
4973881 Automatic shut-off device for an electric lamp Thomas Haraden 1990-11-27
4937487 Picture element lamp assembly for information display system Ronald G. Blaisdell, Thomas Haraden 1990-06-26
4878159 Fluorescent lamp having removable jacket Ronald G. Blaisdell 1989-10-31
4804878 Electric lamp, base for use therewith and method of assembling same George J. English, Kirti B. Chakrabarti 1989-02-14
D291124 Fluorescent lamp or the like Ronald G. Blaisdell 1987-07-28
D290513 Fluorescent lamp Ronald G. Blaisdell 1987-06-23
D290110 Adaptor base for fluorescent lamp or the like Ronald G. Blaisdell 1987-06-02
D290045 Electric lamp Ronald G. Blaisdell 1987-05-26
4649320 Thermal protector for circular fluorescent lamp assembly Robert P. Bonazoli 1987-03-10
4617489 Compact fluorescent lamp having internal thermally actuable means 1986-10-14
4608624 Projection lamp unit with separable lamp capsule Ronald G. Blaisdell 1986-08-26
D283169 Fluorescent lamp or the like Julian J. Wierzbicki, Andre C. Bouchard 1986-03-25