>> I'd be curious to see any examples of
prior art.
> Although not exactly the same, Kay's
"Dynabook" concept would surely be closely related prior art.
No, I meant prior art of clamshell designs.
If I wanted merely prior art of a laptop computer, then there commercial examples before
the Compass, such as the Husky Hunter (1981).
Beside, and as you noted, Dynabook is only a concept. Not to insult PARC, but you might as
well have cited something from Star Trek.