Inventor

SCHREPPEL DANIELLE M

US3 patents

Patents

3 patents

US10940416B2Mar 9, 2021

Air filter devices with gap sealing unit

3M INNOVATIVE PROPERTIES CO7 citations82

US10981099B2Apr 20, 2021

Expandable air filters

3M INNOVATIVE PROPERTIES CO6 citations70

US11324849B2May 10, 2022

Fragrance dispenser with user-selectable release rate

3M INNOVATIVE PROPERTIES CO3 citations64