Patents Assigned to Kenneth R. Bowers
  • Face mask
    Patent number: 4488547
    Abstract: A disposable surgical mask which changes color to signal significant loss of bacterial filtration efficiency due to moisture accumulation.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: December 18, 1984
    Assignee: Kenneth R. Bowers, Jr.
    Inventor: Beatrice R. Mason
  • Container tamper detection device
    Patent number: 4424911
    Abstract: A tampering indicator for medicine bottles which changes color upon pressure applied to the bottle during opening.
    Type: Grant
    Filed: December 10, 1982
    Date of Patent: January 10, 1984
    Assignee: Kenneth R. Bowers
    Inventor: Joseph A. Resnick