All, with the change in US patent law (about 2000) patent terms changed from 17
years from date of issue to 20 years from date of filing.
Howard Efner
73 de KF5RGU
On Feb 9, 2019, at 13:35, `Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:============================================================================================================To
Patents had a lifetime of seventeen years (now twenty I think) while one
could protect a trade secret forever,
