| 8985657 |
Spill proof platter apparatus |
— |
2015-03-24 |
| 6298498 |
Protective helmet system |
Frank J. Fabin, Floyd L. Foslien, William A. Mittelstadt |
2001-10-09 |
| 6102033 |
Attachment system for replacement helmet respirator lens |
Gary A. Baribeau, William A. Mittelstadt, William J. Swanson |
2000-08-15 |
| 6081931 |
Protective helmet suspension system |
Brett R. Johnson, Kevin C. Johnson |
2000-07-04 |
| 6035451 |
Protective helmet system with cam for attaching first and second face shields thereto |
Frank J. Fabin, Floyd L. Foslien, William A. Mittelstadt |
2000-03-14 |
| D420771 |
Top portion of a protective respiratory helmet |
— |
2000-02-15 |
| D420770 |
Top portion of a protective respiratory cap |
— |
2000-02-15 |
| 6016805 |
Face seal for respirator |
Gerald M. Brostrom |
2000-01-25 |
| D416649 |
Face shield with protective lens |
William J. Swanson |
1999-11-16 |
| 5437387 |
Container with screw-on cap having a controlled-torque latch |
— |
1995-08-01 |
| 5062421 |
Respiratory mask having a soft, compliant facepiece and a thin, rigid insert and method of making |
Joseph G. Reischel |
1991-11-05 |
