Inventor

HITZ MICHAEL

US3 patents

Patents

3 patents

US6491055B2Dec 10, 2002

Pressure relief apparatus

BS & B SAFETY SYSTEMS INC14 citations89

US6367498B1Apr 9, 2002

Pressure relief apparatus

BS & B SAFETY SYSTEMS INC18 citations89

US6488044B2Dec 3, 2002

Pressure relief apparatus

BS & B SAFETY SYSTEMS INC8 citations70