Copying Rows Based on Condition from Multiple Worksheets to 1

I am having a rough time getting this to work correctly. I have attached an excerpt of my workbook. I need to copy complete rows from each worksheet to my "completed" worksheet based on if there is a date in the "installed" field. Any help would be immensely appreciated. The worksheet is a list of vehicles that need accessories installed and I would like to know which ones have been done if there is a date in that field. Thanks in advance.