Patents/Inventors

Danielle Proffit

St. Louis, MOUS2 patents

3 Patents

US119490602024
Rechargeable Hearing Aid Battery with Slotted Grommet
ENERGIZER BRANDS, LLC
0 cites
US118484352023
Metal-air Cells with Minimal Air Access
Energizer Brands, LLC
0 cites
US115751682023
Metal-air Cells with Minimal Air Access
Energizer Brands, LLC
0 cites