| D434847 |
Cap |
Gary A. Baribeau, Kenneth W. Jensen, Robert J. Mattila, Michael Bartholomew |
2000-12-05 |
| D433751 |
Cap |
Kenneth W. Jensen, Robert J. Mattila, Gary A. Baribeau, Michael Bartholomew |
2000-11-14 |
| D426298 |
Full-face respirator lens |
Vaughn B. Grannis, David P. Knivsland, Gerald M. Brostrom, David C. Byram |
2000-06-06 |
| D421301 |
Two position pressure demand inlet port adaptor |
Michael Bartholomew, David P. Knivsland |
2000-02-29 |
| D421116 |
Cap |
Robert J. Mattila, Gary A. Baribeau, Michael Bartholomew, Kenneth W. Jensen |
2000-02-22 |
| D421118 |
Inlet port adaptor on a full-face respirator lens |
Frank J. Fabin, Michael Bartholomew, David P. Knivsland |
2000-02-22 |
| 5924420 |
Full face respirator mask having integral connectors disposed in lens area |
Vaughn B. Grannis, David P. Knivsland |
1999-07-20 |
| D409744 |
Full face respirator lens |
Vaughn B. Grannis, David P. Knivsland, Gerald M. Brostrom, David C. Byram |
1999-05-11 |
| D388872 |
Full face respirator lens |
Vaughn B. Grannis, David P. Knivsland, Gerald M. Brostrom, David C. Byram |
1998-01-06 |
| D378610 |
Full face respirator |
David P. Knivsland, Gerald M. Brostrom, David C. Byram, Vaughn B. Grannis |
1997-03-25 |
| 5062421 |
Respiratory mask having a soft, compliant facepiece and a thin, rigid insert and method of making |
James A. Burns |
1991-11-05 |
