Patents Assigned to D. Morris Sheet Metal, Inc.
  • Combined air filter and cleaner unit
    Patent number: D295216
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: April 12, 1988
    Assignee: D. Morris Sheet Metal, Inc.
    Inventors: David H. Morris, Douglas D. Morris
  • Portable air cleaner unit
    Patent number: D325252
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: April 7, 1992
    Assignee: D. Morris Sheet Metal, Inc.
    Inventors: David H. Morris, Douglas D. Morris, Gregory A. Morris