The informations about Imperati (first name?) are more than sparse and, to make things worse, rather inconsistent.
Imperati is clained to be:
- a pipe shop owner and pipemaker in New York City;
- in Baltimore;
- a pipemaker in New York City who worked for some of the major NYC pipe shops (Wilke e.g.)
- a pipemaker and designer who worked (mainly) for Wally Frank. Making e.g. the "Pipe Of The Month" for W.F.
Please add further and more reliable information!