Invention Grant
- Patent Title: Face mask with improved face seal
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Application No.: US17660399Application Date: 2022-04-22
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Publication No.: US11998774B2Publication Date: 2024-06-04
- Inventor: Keith Allan Langenwalter
- Applicant: Keith Allan Langenwalter
- Applicant Address: US OR Portland
- Assignee: Keith Allan Langenwalter
- Current Assignee: Keith Allan Langenwalter
- Current Assignee Address: US OR Portland
- Main IPC: A62B23/00
- IPC: A62B23/00 ; A41D13/11 ; A62B23/02 ; B01D46/00
Abstract:
A reusable face mask with a foam face seal to protect against transmission of airborne pathogens. The face mask uses an easily interchangeable, readily available, non-proprietary, standard filter. It has a section specifically designed to mitigate the fogging of glasses, and has a user-interchangeable strap/harness system.
Public/Granted literature
- US20230338755A1 Face Mask with Improved Face Seal Public/Granted day:2023-10-26
Information query
