On Sat, 31 Jan 2009 20:44:31 -0500, "Rob H."
wrote:

Also, I added Charles' suggestion and riverman's (for # 1528) to the answer
page. I'm thinking that sooner or later we'll get the answer to one of
these, but I'll surprised if we bet both.

Could be wrong, but I'm pretty sure this patent is the
answer to 1528:

http://www.google.com/patents?vid=1214177

Hardware for hanging overhead track in say an old barn.

From what I could figure out, Rowe Manufacturing in
Galesburg, IL is out of business.

--
Leon Fisk
Grand Rapids MI/Zone 5b
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