Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865760 | Calcium hypochlorite composition | Charles R. Wiedrich, Ernie I. Allen, Peter P. Howell | 1989-09-12 |
| 4849297 | Article having a corrosion inhibiting coating | J. Douglas Mansell, Laurence E. Jones, Thomas G. Krivak, Dennis W. Carson | 1989-07-18 |
| 4837253 | Corrosion inhibiting pigment | J. Douglas Mansell, Laurence E. Jones, Thomas G. Krivak, Dennis W. Carson | 1989-06-06 |