Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584825 | Method and apparatus for determining the amount of hydrogen in a vessel | Steven D. Pratt, Ronald Kelley, Robert W. Pennisi | 2003-07-01 |
| 6486874 | Method of pre-caching user interaction elements using input device position | Joseph G. Gillette | 2002-11-26 |
| 6426158 | Method of diluting hydrogen gas exhausted from a fuel cell | Steven D. Pratt, Ronald Kelley, Robert W. Pennisi | 2002-07-30 |
| 6423434 | Method and apparatus for managing fuel cell performance | Steven D. Pratt, Ronald Kelley, Robert W. Pennisi | 2002-07-23 |
| 6406808 | Method and apparatus for thermal management of fuel cell systems | Steven D. Pratt, Ronald Kelley, Robert W. Pennisi | 2002-06-18 |
| 6322918 | Water management system for fuel cells | Ronald Kelley, Steven D. Pratt, Robert W. Pennisi | 2001-11-27 |
| 6268077 | Portable fuel cell power supply | Ronald Kelley, Steven D. Pratt, Bobby Dean Landreth, Robert W. Pennisi, Glenn F. Urbish | 2001-07-31 |
| 6214487 | Integral sensors for monitoring a fuel cell membrane and methods of monitoring | Ronald Kelley, Robert J. Mulligan, Steven D. Pratt, Bobby Dean Landreth, Robert W. Pennisi | 2001-04-10 |
| 6176953 | Ultrasonic welding process | Bobby Dean Landreth, Steven D. Pratt, Ronald Kelley | 2001-01-23 |
| 6132895 | Fuel cell | Steven D. Pratt, Ronald Kelley, James Lynn Davis | 2000-10-17 |
| 6127058 | Planar fuel cell | Steven D. Pratt, Ronald Kelley, Bobby Dean Landreth, Robert W. Pennisi | 2000-10-03 |
| 6080501 | Fuel cell with integral fuel storage | Ronald Kelley, Steven D. Pratt, John K. Arledge, James Lynn Davis | 2000-06-27 |
| 6060188 | High pressure coaxial fuel cell | Steven D. Pratt, Ronald Kelley, Rudy Yorio | 2000-05-09 |
| RE36602 | Concurrent engineering design tool and method | Donald H. Sebastian, Steven Pratt, David Kniep, Souran Manoochehri, Scott J. Kolodzieski | 2000-03-07 |
| 6015970 | Switch assembly incorporating optical control function | Andrew Guzik, David L. Ellis, Rudy Yorio, Steven D. Pratt | 2000-01-18 |
| 5977690 | Piezoelectric switch apparatus for a communication device | David L. Ellis, Andrzej T. Guzik, Rudy Yorio, Steven D. Pratt, William B. Mullen, III | 1999-11-02 |
| 5937265 | Tooling die insert and rapid method for fabricating same | Steven D. Pratt, Robert W. Pennisi | 1999-08-10 |
| 5933765 | Communication device having a reduced level of hazardous substances | Mark D. Newton, Steven D. Pratt, Kimberly A. Williams, Thomas J. Swirbel, James Lynn Davis +5 more | 1999-08-03 |
| 5831832 | Molded plastic ball grid array package | Joseph G. Gillette, Barry M. Miles | 1998-11-03 |
| 5822206 | Concurrent engineering design tool and method | Donald H. Sebastian, Steven Pratt, David Kniep, Souran Manoochehri, Scott J. Kolodzieski | 1998-10-13 |
| 5818005 | Electrical discharge machining electrode and rapid method for fabricating same | Steven D. Pratt, Robert W. Pennisi | 1998-10-06 |
| 5689403 | Intercooled electronic device | William H. Robertson, Jr., David E. Reiff, Richard A. Ceraldi, Craig K. Gygi, Jesse E. Galloway +2 more | 1997-11-18 |
| 5681515 | Method of fabricating an elastomeric keypad | Steven D. Pratt, Andrzej T. Guzik, Robert L. Leon | 1997-10-28 |