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7/27/2015 8-K Current Report-52.5 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipHELMER MAUREEN O6.7 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipGARBERDING LARRY6.7 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipKENAUSIS GREGORY6.8 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipMCNAMEE GEORGE C6.8 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipWILLIS GARY K6.7 KB
7/17/2015 4 Statement of Changes in Beneficial OwnershipHICKEY DOUGLAS T6.7 KB
6/23/2015 4 Statement of Changes in Beneficial OwnershipAIR LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION5.0 KB
6/23/2015 4 Statement of Changes in Beneficial OwnershipAIR LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION5.1 KB
5/27/2015 8-K Current Report-38.1 KB
5/11/2015 10-Q Quarterly Report-2,266.8 KB
5/11/2015 8-K Current Report-38.1 KB
4/22/2015 DEF 14A Proxy Statement (definitive)-988.1 KB
4/6/2015 4 Statement of Changes in Beneficial OwnershipGARBERDING LARRY4.7 KB
4/6/2015 4 Statement of Changes in Beneficial OwnershipHELMER MAUREEN O4.7 KB
4/6/2015 4 Statement of Changes in Beneficial OwnershipHICKEY DOUGLAS T6.5 KB
4/6/2015 4 Statement of Changes in Beneficial OwnershipMCNAMEE GEORGE C4.8 KB
4/6/2015 4 Statement of Changes in Beneficial OwnershipKENAUSIS GREGORY4.8 KB
4/2/2015 4 Statement of Changes in Beneficial OwnershipAIR LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION4.9 KB
4/2/2015 4 Statement of Changes in Beneficial OwnershipAIR LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION4.9 KB
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