DATAMP = Directory of American Tool and Machinery Patents

If you are looking for the patent associated with an antique tool, head over to It’s quite possible you’ll be able to find the tool patent you are looking for among the 70,000 or so patents there. I’m a developer of the site and one of the data stewards that enters patent data so I highly recommend the site!

Here’s the most recent patent that was entered into datamp:

  • US Patent: 5,359,911US Patent: 5,359,911
    Light Weight Self Insulating Composite Tool Patentee: August H. Kruesi - Melrose NY Granted:1994-11-01 Manufactured by Compositools - Guilderland NY Assigned to US Composites Corp. - Guilderland NY This is one of 80,192 patents currently in the database at

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