Giordano Robbiati's Design patent for a coffee maker USA

Of course, you are probably aware Mr. Robbiati protected the design of his coffee maker in Italy and The United States of America.
These pictures shouldn't be a surprise to most of you anymore:

But did you look at the references cited on the patent?

Look at William E.  Maxson Jr and Frank Rodwick 's design for a Food Maker!!!

Look at George E. Ford's design for a Kitchen Mixing Machine!!!

And how about Leonard E. Aske's already discussed coffee machine?

Mr. Robbiati's design has found a family!!!