Patents by Inventor Alan N. Stephens

Alan N. Stephens 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).

  • Abrasive article
    Patent number: 7044834
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: May 16, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrasive article
    Patent number: 6884157
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: April 26, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrasive article
    Publication number: 20030159363
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Application
    Filed: March 25, 2003
    Publication date: August 28, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrasive article
    Patent number: 6579162
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: June 17, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrasive article
    Patent number: 6579161
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: June 17, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrasive article
    Publication number: 20010001088
    Abstract: An abrasive sheet member is disclosed, including a substrate having first and second major surfaces, an abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface.
    Type: Application
    Filed: December 15, 2000
    Publication date: May 10, 2001
    Applicant: 3M Innovative Properties Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Method of making an abrasive article
    Patent number: 5840089
    Abstract: A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: November 24, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrading apparatus
    Patent number: 5725423
    Abstract: A back-up pad is provided for supporting an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging portion, such as a loop material, for engaging hooking stems projecting from the abrasive article.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: March 10, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Method of making an abrasive article
    Patent number: 5672186
    Abstract: A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 30, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Method of making an abrasive article
    Patent number: 5667540
    Abstract: A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 16, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Abrading apparatus
    Patent number: 5607345
    Abstract: A back-up pad is provided for supporting an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging portion, such as a loop material, for engaging hooking stems projecting from the abrasive article.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: March 4, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
  • Method of making an abrasive article
    Patent number: 5505747
    Abstract: A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: April 9, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens