Patents Represented by Law Firm Hardaway/Mann IP Group Nexsen Pruett Jacobs & Pollard, LLP
  • Plunger apparatus
    Patent number: 6163895
    Abstract: A multi-purpose water pressure plunger is provided having an adjustable valve with a regulating lever that is attached to a handle. The handle is connected to an anti-backflow valve. The anti-backflow valve is removably connected to a plunger head that is made of a soft, pliable material that can easily deform to a desired shape so as to form a seal within a drain or pipe.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: December 26, 2000
    Inventor: Clyde F. Davenport