Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444341 | Polymer electrolyte membrane assembly for fuel cells | Shiao-Ping S. Yen, Andrew Kindler, Gerald Halpert | 2002-09-03 |
| 6399235 | Polymer electrolyte membrane assembly for fuel cells | Shiao-Ping S. Yen, Andrew Kindler, Gerald Halpert | 2002-06-04 |
| 6150047 | Polymer electrolyte membrane assembly for fuel cells | Shiao-Ping S. Yen, Andrew Kindler, Gerald Halpert | 2000-11-21 |
| 5795496 | Polymer material for electrolytic membranes in fuel cells | Shaio-Ping S. Yen, Sekharipuram R. Narayanan, Gerald Halpert, Eva Graham | 1998-08-18 |
| 5485675 | Process for producing an activated carbon adsorbent with integral heat transfer apparatus | Jack A. Jones | 1996-01-23 |
| 5388637 | Activated carbon absorbent with integral heat transfer device | Jack A. Jones | 1995-02-14 |
| 4945001 | Internal stabilization of polycarbonate resins | Amitava Gupta, Ranty H. Liang | 1990-07-31 |
| 4749726 | Internal stabilization of polycarbonate resins by two stage radiation process | Amitava Gupta, Ranty H. Liang | 1988-06-07 |
| 4383129 | Solar cell encapsulation | Amitava Gupta, John D. Ingham | 1983-05-10 |
| 4374955 | N-Butyl acrylate polymer composition for solar cell encapsulation and method | Amitava Gupta, John D. Ingham | 1983-02-22 |
| 4362895 | Ultraviolet absorbing copolymers | Amitava Gupta | 1982-12-07 |
| 4310650 | Ultraviolet absorbing copolymers | Amitava Gupta | 1982-01-12 |
| 4208204 | 3-Hydroxy-3-methylglutaric acid monoamide and derivatives thereof | — | 1980-06-17 |