Gregory John McDougall

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Tsim Sha Tsui, Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Electric toothbrush
- Patent number 6,421,866
- Issue date Jul 23, 2002
- Gregory John McDougall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electric toothbrush
- Patent number 6,421,865
- Issue date Jul 23, 2002
- Gregory John McDougall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electric fan heater
- Patent number 5,778,144
- Issue date Jul 7, 1998
- Greg McDougall
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Toothbrush
- Patent number 5,625,916
- Issue date May 6, 1997
- Greg McDougall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Brushes for personal hygiene purposes
- Patent number 5,617,601
- Issue date Apr 8, 1997
- Gregory J. McDougall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Toothbrush
- Patent number 5,435,032
- Issue date Jul 25, 1995
- ISIS International, Inc.
- Gregory J. McDougall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair dryers
- Patent number 5,392,528
- Issue date Feb 28, 1995
- ISIS International Inc.
- Gregory J. McDougall
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Handheld hair care appliance with adjustable diameter barrel provid...
- Patent number 5,212,366
- Issue date May 18, 1993
- China Pacific Trade Ltd.
- Gregory J. McDougall
- A45 - HAND OR TRAVELLING ARTICLES