Patents/Inventors

William A. Mittelstadt

Woodbury, MNUS2 patents

3 Patents

US121282592024
Respirator Negative Pressure Fit Check Devices and Methods
3M Innovative Properties Company
0 cites
US119920782024
Headwear Suspension Attachment Element
3M Innovative Properties Company
0 cites
US118653752024
Respirator Fit Check Sealing Devices and Methods
3M Innovative Properties Company
0 cites