Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452299 | Process for casting metals | Bruce A. Gruber, Heimo J. Langer | 1984-06-05 |
| 4412088 | Cyclopentadiene derivatives, method for preparing, and use thereof | Bruce A. Gruber, Diether Koch, Heimo J. Langer | 1983-10-25 |
| 4394466 | Fulvene binder compositions | Bruce A. Gruber, Heimo J. Langer | 1983-07-19 |
| 4374229 | Thermosetting resinous molding compositions | Richard Eddy Field, Dan Borgnaes | 1983-02-15 |
| 4336342 | Cost reduction of acid curing foundry binders with alkylated aromatic hydrocarbon solvents | Young D. Kim | 1982-06-22 |
| 4320218 | Binder composition | Bruce A. Gruber, Heimo J. Langer | 1982-03-16 |
| 4293480 | Urethane binder compositions for no-bake and cold box foundry application utilizing isocyanato-urethane polymers | Ralph D. Martin, Gregory P. Sturtz, Heimo J. Langer | 1981-10-06 |