Free Patent Data for Patent #4,946,109
Provides valuable and useful information on the patent, tooth assembly for rotary grinding apparatus, in an easily accessible, high-quality, organized dashboard by searching by the patent number 4,946,109.The best of both worlds
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Patent number 3,902,248 patented the invention for a new dental handpiece. This patent was published in 1975. Other patents that are similar to this invention can be found in free online patent databases.