| 6089252 |
Manifold for auxiliary fuel tank |
— |
2000-07-18 |
| 5961778 |
Corrugating apparatus |
James E. Steffen, Raju Venkatapathy |
1999-10-05 |
| 5955193 |
Apparel containing corrugated microfiber-containing thermal insulation |
James E. Steffen, Raju Venkatapathy |
1999-09-21 |
| 5830311 |
Corrugating apparatus |
James E. Steffen |
1998-11-03 |
| 5804295 |
Fibrous filtration face mask having corrugated polymeric microfiber filter layer |
James E. Steffen |
1998-09-08 |
| 5763078 |
Filter having corrugated nonwoven webs of polymeric microfiber |
James E. Steffen |
1998-06-09 |
| 5753343 |
Corrugated nonwoven webs of polymeric microfiber |
James E. Steffen, Raju Venkatapathy |
1998-05-19 |
| 5656368 |
Fibrous filtration face mask having corrugated polymeric microfiber filter layer |
James E. Steffen |
1997-08-12 |
| 5639700 |
Thermal insulation containing corrugated nonwoven web of polymeric microfiber |
James E. Steffen, Raju Venkatapathy |
1997-06-17 |
| 5620545 |
Method of making a corrugated nonwoven web of polymeric microfiber |
James E. Steffen, Raju Venkatapathy |
1997-04-15 |
| D371587 |
Goal for football practice |
— |
1996-07-09 |
| 5078132 |
Bonded adsorbent structures and respirators incorporating same |
Peter O. Rekow |
1992-01-07 |
| 5052084 |
Elastic strap fastener assembly |
— |
1991-10-01 |
| 5035240 |
Elastomeric filtration materials |
Peter O. Rekow, Daniel E. Meyer |
1991-07-30 |
| 5033465 |
Bonded adsorbent structures and respirators incorporating same |
Peter O. Rekow |
1991-07-23 |
| 4934362 |
Unidirectional fluid valve |
— |
1990-06-19 |
| 4790306 |
Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making |
Donald L. Melvin |
1988-12-13 |
| 4668535 |
Process for preparing a fuel tank of polyurethane laminate having contiguous contrasting layers |
Paul E. Liggett |
1987-05-26 |
| 4583911 |
Multiple fluid pathway energy converter |
— |
1986-04-22 |
| 4565729 |
Polyurethane laminate of contrasting layers and process therefor |
Paul E. Liggett |
1986-01-21 |
| 4462399 |
Powered air respirator and cartridge |
— |
1984-07-31 |
| 4262408 |
Assembling hose units for appliances |
Ernest D. Johnson |
1981-04-21 |
