Granted Patent
Utility
US 4,938,441 · App. 07/330,297
Slide plate adjustment mechanism
Inventors:
Bruce R. Hannah, James Eldon, Eric J. Armstrong, Harold Smith, III, Philip Campbell
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Mar 29, 1989
Inventors
Bruce R. Hannah
James Eldon
Eric J. Armstrong
Harold Smith, III
Philip Campbell
Assignee (at issue)
Knoll International 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.