Patents Represented by Attorney, Agent or Law Firm E. Harrison Gilbert, III
  • Patent number: 4274676
    Abstract: An apparatus and method for removing material from a surface so that the removed material will not escape into the ambient environment are disclosed. The present invention includes a coagulant-applying mechanism for spraying a coating of coagulant on the material to be removed. Also included is a cutter head assembly which is moved along the surface for scraping the material therefrom. So that the scraped, coagulated material may be safely withdrawn to a storage receptacle, the present invention also includes a mechanism which withdraws the loosened, coagulated particles from the cutter head assembly. The system of the present invention incorporating these elements also includes a sampling container for extracting and storing a portion of the subject material for examination thereof.
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: June 23, 1981
    Inventor: Nimrod T. Chapel