The following is a partial listing of patents which Keith Harrison has written, prosecuted and obtained from the U.S. Patent & Trademark Office.
U.S. Pat. No. | Patent Description |
6,468,321 | Blade and Skirt Assembly for Directional Gas Cleaning and Drying System |
6,585,000 | Pressure Relief Valve |
6,691,972 | Adjustable Handrest for Artists |
6,850,151 | Devices for Locating/Keeping Track of Objects, Animals or Persons |
7,001,288 | Soccer Practice Cage |
7,048,064 | Multi-Unit Centralizer |
7,156,817 | Massage Ball |
7,290,570 | Twist Attachment Device |
7,303,164 | Fishing Line Package and Dispenser and Method |
7,419,054 | CD Case with Guitar Pick Display Capability |
7,488,297 | Blood Collecting Devices |
7,662,110 | Devices for Collecting Blood and Administering Medical Fluids |
7,686,073 | Tubing String |
7,753,112 | Fluid Production System and Method |
6,455,483 | Well Stimulation and Formation Purging Composition |