Ownership History
| ARMSTRONG, FRANK B. 1/2 | $0 | 0 | 1151/638 | 11/15/1993 | 000000000 |
| ARMSTRONG, FRANK B., 1/2 & LARRY | $0 | 0 | 1151/638 | 01/01/1993 | 000000000 |
| ARMSTRONG, FRANK B. 1/2 & LARRY | $0 | 0 | 770/504 | 01/01/1981 | 000000000 |
| ARMSTRONG, FRANK B. & SHELBY S. | $0 | 0 | 690/346 | 01/01/1978 | 000000000 |
| AMERICAN BUILDERS & INVESTORS, | $0 | 0 | 672/631 | 01/01/1977 | 000000000 |