Patents Represented by Attorney, Agent or Law Firm William S. Grabarek
  • Paint marking, hole forming and flag insertion device
    Patent number: 6695172
    Abstract: A combination paint marking, hole forming and flag insertion device for surface marking and flagging the path of underground utilities.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: February 24, 2004
    Inventor: Steven P. Porter