Patents by Inventor Conrad M. Germain

Conrad M. Germain 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).

  • Patent number: 5197998
    Abstract: The present invention relates to an abrasive article comprising an aligned row of connected abrasive sheet members each having a main portion, an aperture formed in the main portion, and a plurality of arm portions perimetrically spaced about the main portion at a constant angle with respect to each adjacent arm portion. The sheet members are formed to enable the aligned row to be Z-folded such that the apertures of each respective sheet member are substantially in register, and the arm portions of each abrasive sheet member are angularly offset with respect to the arm portions of each immediately adjacent abrasive sheet portion by one-half of the angle between each of the arm portions.
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: March 30, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Conrad M. Germain
  • Patent number: 5142829
    Abstract: The present invention relates to an abrasive article comprising an aligned row of connected abrasive sheet members each having a main portion, an aperture formed in the main portion, and a plurality of arm portions perimetrically spaced about the main portion at a constant angle with respect to each adjacent arm portion. The sheet members are formed to enable the aligned row to be Z-folded such that the apertures of each respective sheet member are substantially in register, and the arm portions of each abrasive sheet member are angularly offset with respect to the arm portions of each immediately adjacent abrasive sheet portion by one-half of the angle between each of the arm portions.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: September 1, 1992
    Assignee: Minnesota Minning and Manufacturing Company
    Inventor: Conrad M. Germain