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Lakeville, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low-frequency modulated current mode power supply for magnetron spu...
Patent number
5,777,863
Issue date
Jul 7, 1998
Photran Corporation
Dmitri Kowalevskii
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Transparent electrodes for liquid cells and liquid crystal displays
Patent number
5,776,594
Issue date
Jul 7, 1998
Photran Corporation
R. Russel Austin
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method for producing titanium oxide from ore concentrates
Patent number
5,679,131
Issue date
Oct 21, 1997
Photran Corporation
Ivan M. Obushenko
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Faceplate for a touch-sensitive video display unit
Patent number
5,556,694
Issue date
Sep 17, 1996
Photran Corporation
R. Russel Austin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light attenuating anti-reflection coating including electrically co...
Patent number
5,541,770
Issue date
Jul 30, 1996
Photran Corporation
Samuel F. Pellicori
G02 - OPTICS
Information
Patent Grant
Privacy filter for a display device
Patent number
5,528,319
Issue date
Jun 18, 1996
Photran Corporation
R. Russel Austin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light-weight electrical-storage battery
Patent number
5,512,390
Issue date
Apr 30, 1996
Photran Corporation
Ivan M. Obushenko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Transparent electrodes for liquid cells and liquid crystal displays
Patent number
5,508,091
Issue date
Apr 16, 1996
Photran Corporation
R. Russel Austin
B32 - LAYERED PRODUCTS
Information
Patent Grant
Load-lock drum-type coating apparatus
Patent number
5,421,979
Issue date
Jun 6, 1995
Photran Corporation
David E. Stevenson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Broad band pass filter including metal layers and dielectric layers...
Patent number
5,337,191
Issue date
Aug 9, 1994
Photran Corporation
R. Russel Austin
G02 - OPTICS
Information
Patent Grant
Linear planar-magnetron sputtering apparatus with reciprocating mag...
Patent number
5,328,585
Issue date
Jul 12, 1994
Photran Corporation
David E. Stevenson
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74399525 - PCO
Serial number
74399525
Registration number
1847613
Filing date
Jun 9, 1993
Photran Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74398556 - FUZION
Serial number
74398556
Registration number
1901356
Filing date
Jun 7, 1993
Photran Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74398557 - QTROL
Serial number
74398557
Registration number
1826232
Filing date
Jun 7, 1993
Photran Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74398553 - PIR
Serial number
74398553
Registration number
1833584
Filing date
Jun 7, 1993
Photran Corporation
2 - Paints, varnishes, lacquers
Information
Trademark
74398555 - PAR
Serial number
74398555
Registration number
1827959
Filing date
Jun 7, 1993
Photran Corporation
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74398552 - PHOTRAN
Serial number
74398552
Registration number
1895365
Filing date
Jun 7, 1993
Photran Corporation
40 - Treatment of materials
Information
Trademark
74398559 - ZERORAD
Serial number
74398559
Registration number
1847612
Filing date
Jun 7, 1993
Photran Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74398554 - PMAX
Serial number
74398554
Registration number
1831162
Filing date
Jun 7, 1993
Photran Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74398558 - ARTGLAS
Serial number
74398558
Registration number
1928752
Filing date
Jun 7, 1993
Photran Corporation
19 - Building materials (non-metallic)