Doing some research I have made the folllowing assumptions.
We all know that IBM sold to Lexmark (1991) and Lexmark sold to Unicomp (1996).
But it seems there was another iron in the fire, according to
this article, we now include Maxi Switch.
TUCSON, Ariz.--(BUSINESS WIRE)--Nov. 13, 1995--Maxi Switch Inc. Monday announced an agreement to the purchase and transfer of Lexmark International Inc.'s manufacturing rights, patents, and assets for Select-Ease and Rubber Dome computer keyboards, including its patented Buckling Spring technology.
Under the terms of the agreement, Maxi Switch will purchase certain tools, molds, patents, copyright licenses, manufacturing information and the Select-Ease trademark for an undisclosed sum. ... [cont...]
Further diggging reveals that Maxi Switch was associated with the name Silitek, and they also changed there name to LMS.
However, maxiswitch.com, maximfg.com, lmsus.com or silitek-corp.com no longer exist.
At the bottom of
this page, it points to the LMS website and mentions "
Lite-on Group's subsidiary". Backing this up is
this article, where Lite-on is the ultimate parent, and looking at the 1990 date says Maxi Switch was owned by Silitek before it bought the spring technology in 1995.
Also, in a twist to events, it looks like Can technology have developed there own BS. As discovered in my
Unbranded Buckling Spring thread