Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8974724 | Aluminum titanate batch compositions and method | Robert John Locker, David Lambie Tennent, Christopher John Warren | 2015-03-10 |
| 6089014 | Engine exhaust system with reduced hydrocarbon emissions | Rodney I. Frost, Louis S. Socha, Jr., Irwin M. Lachman, Mallanagouda Dyamanagouda Patil | 2000-07-18 |
| 5281462 | Material, structure, filter and catalytic converter | Timothy V. Johnson | 1994-01-25 |
| 5022991 | Thermite coated filter | Timothy V. Johnson | 1991-06-11 |
| 4915887 | Method of preparing high temperature low thermal expansion ceramic | Robert John Locker | 1990-04-10 |
| 4855265 | High temperature low thermal expansion ceramic | Robert John Locker | 1989-08-08 |
| 4681624 | Method of filtering molten metals using a monolithic refractory honeycomb filter | Thomas P. DeAngelis | 1987-07-21 |
| 4670297 | Evaporated thick metal and airbridge interconnects and method of manufacture | Kyu-Woong Lee, Mark S. Durschlag | 1987-06-02 |
| 4483944 | Aluminum titanate-mullite ceramic articles | Irwin M. Lachman | 1984-11-20 |