Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012303 | Eutectic bonding of single crystal components | Scott R. Axelson, Herbert Ellsworth Bates, Joseph M. Collins, John Walter Locher, Brian J. McAndrews | 2000-01-11 |
| 4879181 | Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants | — | 1989-11-07 |
| 4658899 | Use of uncalcined/partially calcined ingredients in the manufacture of sintered pellets useful for gas and oil well proppants | — | 1987-04-21 |
| 4623630 | Use of uncalcined/partially calcined ingredients in the manufacture of sintered pellets useful for gas and oil well proppants | — | 1986-11-18 |
| 4427068 | Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants | — | 1984-01-24 |