Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8839785 | Respirator harness having collapsible head cradle | David M. Castiglione, Thomas W. Holmquist-Brown | 2014-09-23 |
| 8717244 | RFID tag with a modified dipole antenna | Terrence H. Joyce, Swagata R. Banerjee, William C. Egbert, Katherine A. Brown, Jaewon Kim +1 more | 2014-05-06 |
| D690415 | Respirator support structure | Nathan A. Abel | 2013-09-24 |
| D655404 | Respirator mask body | — | 2012-03-06 |
| D652507 | Respirator mask body | Joan K. Henry, Nathan A. Abel, David M. Castiglione | 2012-01-17 |
| 7849856 | Respirator valve | David M. Castiglione, Thomas I. Insley | 2010-12-14 |
| 7320722 | Respiratory protection device that has rapid threaded clean air source attachment | John M. Pilgrim | 2008-01-22 |
| 7302951 | Unidirectional respirator valve | David M. Castiglione | 2007-12-04 |
| 6883518 | Unidirectional respirator valve | David M. Castiglione | 2005-04-26 |
| 6732733 | Half-mask respirator with head harness assembly | Gerald M. Brostrom, David M. Castiglione, Alan J. Solyntjes | 2004-05-11 |
| D471627 | Respirator facemask assembly | David M. Castiglione, Casey L. Carlson | 2003-03-11 |
| D467656 | Respirator facemask | David M. Castiglione, Casey L. Carlson | 2002-12-24 |
| 6298498 | Protective helmet system | James A. Burns, Frank J. Fabin, Floyd L. Foslien | 2001-10-09 |
| 6279570 | Filter support, assembly and system | David M. Castiglione | 2001-08-28 |
| D444218 | Portion of a filter support | David M. Castiglione | 2001-06-26 |
| 6102033 | Attachment system for replacement helmet respirator lens | Gary A. Baribeau, James A. Burns, William J. Swanson | 2000-08-15 |
| 6035451 | Protective helmet system with cam for attaching first and second face shields thereto | James A. Burns, Frank J. Fabin, Floyd L. Foslien | 2000-03-14 |
| 5720281 | Eye shield for a respiratory mask | Peter B. Allen, David Cook | 1998-02-24 |
| 5689833 | Eye shield for a respiratory mask | Peter B. Allen, David Cook | 1997-11-25 |
| 5626585 | Ligating clip advance | Arthur V. Lang | 1997-05-06 |
| 5562655 | Surgical apparatus having a universal handle for actuating various attachments | Arthur V. Lang | 1996-10-08 |
| 5374252 | Locking pneumoneedle | Thomas Banks | 1994-12-20 |
| D353668 | Pneumoneedle | Thomas Banks, Arthur V. Lang, Vern E. Radewald, Bruce E. Nelson | 1994-12-20 |
| 5306284 | Surgical instrument | John M. Agee, Francis C. King, Kimberly A. Romanko, Lawrence A. Flor, Thomas A. Turgeon | 1994-04-26 |
| 5011187 | Binding system for connected fan folded sheets | Ray A. Hunder, Larry A. Bettenhausen, Alden R. Miles, Stephen H. Dwyer, Gary R. Hanson | 1991-04-30 |