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One of the things I find fascinating about what the big guys are doing is that all that whiz-bangery seems to be mostly there for cost and production volume, yet they turn out some functionally...

Another interesting bit from the '88 patent:

That's for their finishing hone. They also describe the test runs of the '88 machinery


yowza!

It's interesting because it's state-of-the-art, or at least more state-of-the-art than what we're doing. They've put a lot of R&D money into what they're doing, and we can get hints of better...

From the 1966(filed)/1969(issued) patent #3,461,616 referred to by the patent you were quoting in your original post:



and this:



So according to this patent, it's due to the particular...

It was the point of your entire introductory paragraph. Perhaps I can be excused in believing that this was the point you were trying to make - the thesis - of your original post.



The bevels...

FWIW, having looked at the patent in question (Gillette, 1988), I have to say it's pretty trick. The helical honing wheels lets them use the opposing wheels to stabilize the blade during the honing...

There's a difference between disrespect for your theory and disrespect for you personally. Please don't conflate the two, as that is itself an impediment to the open exchange of ideas.

I don't...

Why would the use of wheels create a harsh edge? Maybe they just don't do a good job of avoiding burrs, or maybe the teflon changes the surface effects of the blade so it cuts skin better than bare...