Dialog Bluesheets Revisited (continued)
In DialogWeb, we can consult the Bluesheet while online. Let's see how.
To start my search, I type the BEGIN command and the file number in the command text box and click the SUBMIT button.
- begin 351
On the Begin Databases page of DialogWeb, we see the name of the database we are going to use for Brian's search: Derwent World Patents Index, File 351.
We can click any of the buttons to see different parts of the Bluesheet.
For example, by clicking 
, I will see the Basic and Additional Indexes.
When we look at Additional Indexes for File 351, we see that the prefix for patent assignee is PA=.
Go to the next page.
4-4
