Patents Assigned to Minnesota Mining and Manufacturing Company (3M)
  • Rapid read-out biological indicator
    Publication number: 20030077688
    Abstract: A rapid method of determining the efficacy of a sterilization cycle, and an indicator adapted to perform such method, comprising subjecting to the sterilization cycle a source of active enzyme having activity which correlates with the viability of a microorganism commonly used to monitor sterilization, and incubating the enzyme source, following the completion of the sterilization cycle, with an effective amount of a substrate system capable of reacting with any residual active enzyme to produce a detectable enzyme-modified product.
    Type: Application
    Filed: July 12, 2002
    Publication date: April 24, 2003
    Applicant: Minnesota Mining and Manufacturing Company to 3M Innovative Properties Company
    Inventors: Richard R. Matner, William E. Foltz, Lewis P. Woodson
  • Single mode connector
    Patent number: 4890897
    Abstract: A single mode optical fiber connector assembly for reducing the need for both positional and angular accuracy is provided. A housing and two single mode optical plugs each containing an optical fiber therein are provided. The housing, is adapted to receive a plug in each end of the housing and is dimensioned to automatically secure the plugs in both positional and angular alignment.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: January 2, 1990
    Assignee: Minnesota Mining and Manufacturing Company (3M)
    Inventor: John S. Cook
  • Magazine for supplying film for a printer
    Patent number: D293390
    Type: Grant
    Filed: May 22, 1985
    Date of Patent: December 29, 1987
    Assignees: Minolta Camera Kabushiki Kaisha, Minnesota Mining and Manufacturing Company (3M)
    Inventors: Masatoki Sutou, Yutaka Maeda, Walter F. Anderson, Jr., James W. Kochevar
  • Magazine for collecting film for a printer
    Patent number: D293855
    Type: Grant
    Filed: May 22, 1985
    Date of Patent: January 26, 1988
    Assignees: Minolta Camera Kabushiki Kaisha, Minnesota Mining and Manufacturing Company (3M)
    Inventors: Masatoki Sutou, Yutaka Maeda, Walter F. Anderson, Jr., James W. Kochevar