[COFF] Happy birthday, computer mouse!

[Nemo]

On 16/11/2018, Dave Horsfall <dave at horsfall.org> wrote:
> On this day in 1970 computer pioneer Douglas Engelbart was awarded the
> patent for the computer mouse.

Not really meaning to argue but
http://www.dougengelbart.org/content/view/90/48/ claims: "Doug
Engelbart's patent on the computer mouse, titled X-Y position
indicator for a display system (3,541,541), filed June 21, 1967 and
granted January 17, 1970 [...]".  Link to the USPTO:
http://pdfpiw.uspto.gov/.piw?PageNum=0&docid=03541541

> It was a fugly thing: just a squarish box with two wheels underneath it mounted
> at right-angles and a button. Ergonomic it wasn't...

Allegedly hand-carved but who carved it?

N.

>
> -- Dave
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