| Louis M. Gerson Co., Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20100132713 | STIFFENED FILTER MASK - A flat-folding mask includes a filter layer forming a rim. The filter layer has first and second side panels extending from the rim. A substantially centrally located front panel bridges the first and second side panels, the front panel being substantially flat. The filter layer further includes a fused portion that is seamless and spaced from the rim. Triangular pleats may add support to the side walls and increase the effective filtration area of the mask. | 06-03-2010 |
| 20100126510 | STIFFENED FILTER MASK - A flat-folding mask includes a filter layer forming a rim. The filter layer has first and second side panels extending from the rim. A substantially centrally located front panel bridges the first and second side panels, the front panel being substantially flat. The filter layer further includes a fused portion that is seamless and spaced from the rim. Triangular pleats may add support to the side walls and increase the effective filtration area of the mask. | 05-27-2010 |
