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Interconnection device
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Patent number 6,294,966
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Issue date Sep 25, 2001
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HEI, Inc.
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River Guanghua Huang
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H01 - BASIC ELECTRIC ELEMENTS
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Cordless light pen
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Patent number 4,677,428
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Issue date Jun 30, 1987
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HEI, Inc.
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Paul A. Bartholow
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G06 - COMPUTING CALCULATING COUNTING
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Document reading apparatus
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Patent number 4,603,261
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Issue date Jul 29, 1986
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HEI, Inc.
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David K. Robertson
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G06 - COMPUTING CALCULATING COUNTING
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Tactile feel device
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Patent number 4,104,603
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Issue date Aug 1, 1978
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HEI, Inc.
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Jay A. Wheeler
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H01 - BASIC ELECTRIC ELEMENTS
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78510068 - GRIDVIEW
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Serial number 78510068
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Registration number 3102088
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Filing date Nov 2, 2004
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76518124 - ID-IT
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Serial number 76518124
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Filing date May 30, 2003
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76518141 - LINK-IT
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Serial number 76518141
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Registration number 3047365
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Filing date May 30, 2003
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75830817 - FRESH AIR
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Serial number 75830817
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Registration number 2813295
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Filing date Oct 25, 1999
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Colorado MEDtech, Inc.
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10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
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75292258 - HTTP://WWW.HEII.COM
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Serial number 75292258
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Filing date May 15, 1997
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HEI, INC.
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42 - Scientific and technological services and research and design relating thereto
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75255747 - HEI
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Serial number 75255747
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Registration number 2146270
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Filing date Mar 11, 1997
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HEI, INC.
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40 - Treatment of materials
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74037713 - HEI
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Serial number 74037713
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Registration number 1641114
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Filing date Mar 13, 1990
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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74037245 - HEI INC
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Serial number 74037245
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Registration number 1641112
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Filing date Mar 12, 1990
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73550644 - FAST-POINT
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Serial number 73550644
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Registration number 1392205
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Filing date Jul 29, 1985
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73535844 - FEATHER
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Serial number 73535844
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Registration number 1367455
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Filing date May 6, 1985
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73530325 - CODE LOCK
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Serial number 73530325
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Registration number 1368773
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Filing date Apr 3, 1985
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73514390 - HEI INC.
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Serial number 73514390
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Registration number 1350457
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Filing date Dec 19, 1984
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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72322590 - HEI
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Serial number 72322590
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Registration number 886242
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Filing date Mar 24, 1969
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HEI, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments