After Langstroth patented his hive in 1852 hundreds of patents have been
awarded.  How many have come into general use?  The extractor, Benton
cages, the Porter bee escape have proved useful.  The Langstroth hive made
of concrete-- not so much.  We'll see about this one.

I notice that this patent application besides claiming the invention they
employ--a mechanism for breaking the cells--also claims a patent on an
imaginarium of devices and techniques they have not developed, This
shoot-the-moon approach appears to me to be complete overreach, and an
attempt to block or profit by any future devices actually developed by our
fellow tinkerers.

marc hoffman

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