Ownership History
| JOHNSON, ROBERT | $31,000 | | 2424-0095 | 11/14/2011 |
| UNITED STATES OF AMERICA | $0 | | 0-0 | 11/16/2010 |
| MANHATTAN MAINTENANCE INC | $1 | | 2327-0177 | 01/13/2009 |
| MANHATTAN MAINTENANCE INC | $1 | | 2311-1635 | 07/31/2008 |
| MANHATTAN MAINTENANCE INC | $17,000 | | 2255-2447 | 05/16/2007 |
| ROTHERMEL, DAVID; ROTHERMEL, VIRGINIA | $0 | | 1415-0901 | 10/07/1988 |
| SCHOLTES, F N & M A | $0 | | 1368-0138 | 11/22/1985 |
| RENNINGER, E R | $0 | | 1201-0708 | 01/13/1975 |
| BROOSAMLE, L D & K A | $0 | | 1117-0168 | 10/29/1969 |
| LAUNER, G L & A | $0 | | 1067-0825 | 07/12/1965 |