Ownership History
| LINDE ADVANCED MATERIAL TECHNOLOGIES INC | $0 | | 0/0 | 35 | 01/16/2024 |
| PRAXAIR SURFACE TECHNOLOGIES INC | $0 | | 3066/1686 | 40 | 05/20/2008 |
| HOBART TAFA TECHNOLOGIES INC | $0 | | 1973/1451 | 40 | 10/31/1994 |
| HT ACQUISITION CORP | $1,150,000 | | 1973/1451 | 00 | 10/31/1994 |
| TAFA INCORPORATED | $135,000 | | 1639/0851 | 99 | 04/16/1987 |