| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 1 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Chemical engineering | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Protective garments | |
| #2 | Live-saving devices | |
| #3 | Separation | |
| #4 | Making textile fabrics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Magidson Mark | 8 |
| #2 | Huber Otto L | 3 |
| #3 | Skov Martin | 1 |
| #4 | Wandel Heinz | 1 |
| #5 | Hershelman James W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5149468A | Method for producing filter material formed of melt-blown non-woven mat sandwiching additional material | |
| US4873972A | Disposable filter respirator with inner molded face flange | |
| US4411025A | Combined chest piece and shoulder pad | |
| US4454881A | Multi-layer face mask with molded edge bead | |
| US4384577A | Disposable face mask | |
| US4319567A | Disposable face mask |