Granted Patent
Utility
US 6,401,836 · App. 09/515,471
Speed regulating apparatus for a pneumatic tool
Inventors:
Kevin Heinrichs, John A. McCallops, Mark J. Hamlin, Mario Craciun
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Feb 29, 2000
Inventors
Kevin Heinrichs
John A. McCallops
Mark J. Hamlin
Mario Craciun
Assignee (at issue)
Ingersoll-Rand Company
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.