Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881511 | Concrete building block assembly | — | 1999-03-16 |
| 5186021 | Bypass expansion device having defrost optimization mode | — | 1993-02-16 |
| 5096507 | Method of applying a cerium misch metal coating to the surface of a splinter-active component of an incendiary splinter projectile | Claus Lohberger, Willibald Kalcher, Herbert Gartner, Gunther Sandner | 1992-03-17 |
| 4873207 | Ceramic aggregate for roadway composition and method of producing same | — | 1989-10-10 |
| D300862 | Building block | — | 1989-04-25 |
| 4780433 | Insulating ceramic building material and method with fired clay and garbage mixture | — | 1988-10-25 |
| 4740486 | Ceramic composition to make cement with insulating properties | — | 1988-04-26 |
| D292104 | Handle for a writing instrument or the like | — | 1987-09-29 |