what is the legal status of this patent US6869679B1
An excellent way to check the status of US patents is the US Public Pair site. In this case, the patent has been granted and all fees have been paid. Both the inventor and assignee is listed as Edward Negola. It is possible the assignee has changed. I would expect the patent to expire 20 years from its priority date in Oct 8, 2022. There is a divisional patent published as US7335414B2 with the assignee as Aquadye Fibers, Inc. It shares the priority date with US6869679B1.