Granted Patent
Utility
US 4,830,443 · App. 06/697,796
Three-dimensional volumetric sensor
Inventors:
Joel Hecker, Howard Stern, Tom Heydenburg
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Feb 4, 1985
Inventors
Joel Hecker
Howard Stern
Tom Heydenburg
Assignee (at issue)
Robotic Vision Systems, 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.