Granted Patent
Utility
US 4,937,843 · App. 07/143,996
Digital data block synchronizer
Inventor:
Sohei Takemoto
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Nov 25, 1987
Inventor
Sohei Takemoto
Assignee (at issue)
Ampex Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.