Patents Assigned to Innovative Engineering, Inc.
  • Attachment for personal protective respirator
    Patent number: 4832011
    Abstract: An attachemnt for use in testing the fit of a personal protective respirator, i.e. a mask, in situ on the face of the user. The attachment is further useful in testing combinations of respirators and filters in the presence of challenge atmospheres in a rapid and efficient manner.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: May 23, 1989
    Assignee: Innovative Engineering, Inc.
    Inventor: Ewald U. Busch