Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297301 | Process for transforming pre-used asphaltic roofing shingles into products | Robert E. Simpson | 2007-11-20 |
| 5829690 | Shredding apparatus with shearing action | — | 1998-11-03 |
| 4810692 | Immunosuppressant substances, process for their preparation and pharmaceutical compositions containing them | Francois Floc'h, Gerard Jung, Rodolphe Margraff | 1989-03-07 |
| 4385753 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material | Pierre Leroy, Emile Sprunck | 1983-05-31 |