Issued Patents All Time
Showing 76–100 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543248 | Thermal stabilization shield for storage batteries | Mark S. Inkmann, Debra L. Smith, Michael T. Reher | 1996-08-06 |
| 5506255 | Rhodoporphyrin and phylloerythrin related photosensitizers for photodynamic therapy | Kevin M. Smith, Ravindra K. Pandey, Joseph M. Ryan, Jr., Nadine Jagerovic | 1996-04-09 |
| 5498710 | Alkyl ether analogues of benzoporphyrin derivatives | Ravindra K. Pandey, Kevin M. Smith, Isabelle Meunier | 1996-03-12 |
| 5488283 | Vehicle battery system providing battery back-up and opportunity charging | William J. Wruck, Richard J. Johnson | 1996-01-30 |
| 5459159 | Pyropheophorbides and their use in photodynamic therapy | Ravindra K. Pandey | 1995-10-17 |
| 5404129 | Anti-theft battery system for vehicles | David J. Novak | 1995-04-04 |
| 5316868 | Dual battery switch circuit | John R. Pierson | 1994-05-31 |
| 5314905 | Pyropheophorbides conjugates and their use in photodynamic therapy | Ravindra K. Pandey | 1994-05-24 |
| 5284720 | Vent cap with electrolyte drain and explosion attenuation capabilities | David A. Thuerk, Debra L. Smith, Randy K. Hulsebus | 1994-02-08 |
| 5257970 | In situ photodynamic therapy | — | 1993-11-02 |
| 5225433 | Treatment of tumors using chlorins | William R. Potter, Kenneth R. Weishaupt | 1993-07-06 |
| 5204610 | Long lived dual battery with automatic latching switch | John R. Pierson, Ronald Klassen | 1993-04-20 |
| 5198460 | Pyropheophorbides and their use in photodynamic therapy | Ravindra K. Pandey | 1993-03-30 |
| 5190966 | Purified hematoporphyrin dimers and trimers useful in photodynamic therapy | Ravindra K. Pandey | 1993-03-02 |
| 5173504 | Bacteriochlorophyll-a derivatives useful in photodynamic therapy | — | 1992-12-22 |
| 5171741 | Bacteriochlorophyll-a derivatives useful in photodynamic therapy | — | 1992-12-15 |
| 5162164 | Dual battery system | Alan J. Klebenow, Edward N. Mrotek, David A. Thuerk, Maurice C. Michaud | 1992-11-10 |
| 5156932 | Simple optimized lead-acid battery | James S. Symanski | 1992-10-20 |
| 5149605 | Dual lug battery plate construction | — | 1992-09-22 |
| 5145863 | Method to destroy or impair target cells | William R. Potter, Kenneth R. Weishaupt | 1992-09-08 |
| 5093349 | Photosensitizing agents | Ravindra K. Pandey | 1992-03-03 |
| 5028621 | Drugs comprising porphyrins | William R. Potter, Kenneth R. Weishaupt | 1991-07-02 |
| 5015463 | Method to diagnose the presence or absence of tumor tissue | William R. Potter, Kenneth R. Weishaupt | 1991-05-14 |
| 5002840 | Switched emergency battery system | Alan J. Klebenow, Edward N. Mrotek, David A. Thuerk, Maurice Michaud | 1991-03-26 |
| 5002962 | Photosensitizing agents | Ravindra K. Pandey | 1991-03-26 |