Granted Patent
Utility
US 6,545,836 · App. 09/439,055
Servo control apparatus and method using absolute value input signals
Inventors:
Petros Ioannou, Elias B. Kosmatopoulos, Alvin M. Despain
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Nov 12, 1999
Inventors
Petros Ioannou
Elias B. Kosmatopoulos
Alvin M. Despain
Assignee (at issue)
ACORN TECHNOLOGIES, INC.
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.