Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9519916 | System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectives | Brian E. Brooks, Brian J. Stankiewicz, Jonathan B. Arthur, Brian L. Linzie | 2016-12-13 |
| 8458103 | System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectives | Brian E. Brooks, Brian J. Stankiewicz, Jonathan B. Arthur, Brian L. Linzie | 2013-06-04 |
| 7393129 | Optical film assemblies and methods of making same | Anton F. Jachim, John R. Mlinar | 2008-07-01 |
| 6270609 | Hard disk drive filter | David Andrews | 2001-08-07 |
| RE36811 | Solid phase extraction medium | Donald F. Hagen, James D. Luedtke | 2000-08-08 |
| 5738790 | Composite membranes for solid phase extractions and reactions | Donald F. Hagen, Paul E. Hansen | 1998-04-14 |
| 5639372 | Composite membranes for solid phase extractions and reactions | Donald F. Hagen, Paul E. Hansen | 1997-06-17 |
| 5635060 | Composite membranes for solid phase extractions and reactions | Donald F. Hagen, Paul E. Hansen | 1997-06-03 |
| 5618438 | Method of isolating an analyte using a solid phase extraction medium | James S. Fritz, Philip J. Dumont, Donald F. Hagen, Luther W. Schmidt | 1997-04-08 |
| 5616407 | Self-wettable solid phase extraction medium | James S. Fritz, Donald F. Hagen | 1997-04-01 |
| 5595649 | Particle-loaded nonwoven fibrous article for separations and purifications | Donald F. Hagen, Paul E. Hansen, Nicholas R. Baumann | 1997-01-21 |
| 5529686 | Composite membranes for solid phase extractions and reactions | Donald F. Hagen, Paul E. Hansen | 1996-06-25 |
| 5470532 | Composite reactive articles for the determination of cyanide | Donald F. Hagen, Louis C. Haddad, Robert E. Perkins | 1995-11-28 |
| 5415779 | Particle-loaded nonwoven fibrous article for separations and purifications | Donald F. Hagen, Paul E. Hansen, Nicholas R. Baumann | 1995-05-16 |
| 5403489 | Solid phase extraction method and apparatus | Donald F. Hagen | 1995-04-04 |
| 5340746 | Composite reactive articles for the determination of cyanide | Donald F. Hagen, Louis C. Haddad, Robert E. Perkins | 1994-08-23 |
| 5328758 | Particle-loaded nonwoven fibrous article for separations and purifications | Donald F. Hagen, Paul E. Hansen, Nicholas R. Baumann | 1994-07-12 |
| 5279742 | Solid phase extraction medium | Donald F. Hagen, James D. Luedtke | 1994-01-18 |
| 5248428 | Article for separations and purifications and method of controlling porosity therein | Donald F. Hagen, William V. Balsimo, Robin E. Wright | 1993-09-28 |
| 5238621 | Method of controlling porosity in a composite article | Donald F. Hagen, Robin E. Wright, William V. Balsimo | 1993-08-24 |
| 5207915 | Separation method using controlled pore composite polytetrafluoroethylene article | Donald F. Hagen, William V. Balsimo, Louis A. Errede | 1993-05-04 |
| 5147539 | Controlled pore composite polytetrafluoroethylene article | Donald F. Hagen, William V. Balsimo, Louis A. Errede | 1992-09-15 |
| 5071610 | Method of making a controlled pore composite polytetrafluoroethylene | Donald F. Hagen, William V. Balsimo, Louis A. Errede | 1991-12-10 |