Subject:
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Re: Service pack 5111 - Wires - no longer available
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 3 Sep 2002 19:26:16 GMT
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Viewed:
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1070 times
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In lugnet.robotics, John Barnes writes:
> Unfortunately, we're on dangerous ground here - TLC hold a patent on the 4
> stud connector design :(
Utility patent filed Feb 9, 1984. Filed in Switzerland Feb. 14, 1983. You do
the math.
US4552541: Toy building block with electrical contacting portions.
Of course, that's just the patent. I'm sure there are a couple other ones too.
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