Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6252913 | Method of transmitting a frequency-modulated asynchronous NRZ signal A sometimes positive and sometimes negative frequency deviation is associated to a given logic value. The deviation is positive during a certain period of time and then negative, the respective periods being determined so that the cumulated sums of the po... | 06/26/2001 |
