Patents by Inventor Robert C. Lawrence

Robert C. Lawrence has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Portable modular implement system
    Patent number: 6675562
    Abstract: A portable modular implement system is described. The system comprises a power source which comprises a motor. The motor comprises a crank shaft with an upper end and a lower end. A casing is attached to the motor exterior to the upper end of the crankshaft. The casing further comprises a void. An implement assembly comprising an implement bracket is reversibly attached to the power source. An implement is attached to the implement bracket. The implement comprises an implement drive shaft wherein the implement drive shaft protrudes through the void and couples with the crankshaft below the casing when the implement bracket is attached to the power source.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: January 13, 2004
    Inventor: Robert C. Lawrence
  • Portable modular implement system
    Publication number: 20030154703
    Abstract: A portable modular implement system. The system comprises a power source which comprises a motor. The motor comprises a crank shaft with an upper end and a lower end. A casing is attached to the motor exterior to the upper end of the crankshaft. The casing further comprises a void. An implement assembly comprising an implement bracket is reversibly attached to the power source. An implement is attached to the implement bracket. The implement comprises an implement drive shaft wherein the implement drive shaft protrudes through the void and couples with the crankshaft below the casing when the implement bracket is attached to the power source.
    Type: Application
    Filed: February 19, 2002
    Publication date: August 21, 2003
    Inventor: Robert C. Lawrence