John Duncan Unsworth

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Flamborough, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Gas projection device sometimes with a burst disk, producing loud s...
- Patent number 7,317,662
- Issue date Jan 8, 2008
- John D. Unsworth
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Self adjusting, high strength, screw system
- Patent number 7,165,925
- Issue date Jan 23, 2007
- John D. Unsworth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Self adjusting, high strength, screw system
- Patent number 6,860,691
- Issue date Mar 1, 2005
- John Duncan Unsworth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Neuromuscular electrical stimulation of the foot muscles for preven...
- Patent number 6,615,080
- Issue date Sep 2, 2003
- John Duncan Unsworth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Plasma arc ignition system
- Patent number 5,568,801
- Issue date Oct 29, 1996
- Ortech Corporation
- John Paterson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS