Ive been in the glass biz. For a long time and I submitted several ideas over 20 years ago, still have original drawings and fax comfirmations. Never did anything with them, however i did see 3 of extremely similar tool's for sale a year after submitting them. Needless to say I was very skeptical. I remain skeptical. I showed my wife the tools in the catalog and she said "thats your tool" and I said "no" I never heard from them. She said well that looks like your idea. I agree, it did indeed.