40 odd years ago, I needed one for some job and I didn't have one, so I used an auger bit file like the one in the photo and made a chisel out of it....
Hi Bob, Glad to hear that you have some background as the internet is a scary place to go in green. I certainly wouldn't want to learn bomb disposal...
A provisional patent might help in securing your filing date and give you the time to prepare a patent application without letting someone jump ahead...
I have a bunch of designs for various things over the years, some very simple, maybe one or two parts, which i would be okay filing myself; some very...
A good test; take a scrap from the pile that you plan on using and resaw it. You will see if there is any stress. If it does anything gnarly you know...
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