Ownership History
| SHANER, STEPHANIE M; SHANER, SUSAN; SHANER, TERRY L; SHANER, TERRY L SR | $1 | | 1489-0473 | 11/03/1992 |
| SHANER, T L & S A | $0 | | 1412-0872 | 08/11/1988 |
| SHANER, T L | $0 | | 1225-0230 | 06/17/1976 |
| RIGGS AIR INC | $0 | | 1179-0063 | 08/29/1973 |
| GREAT NORTHERN CORP | $0 | | 1179-0059 | 03/16/1973 |