Granted Patent
Utility
US 4,503,749 · App. 06/594,285
Combine visor with environmental components
Inventors:
Lowell L. Kuhn, Stephen G. Miggels
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Mar 28, 1984
Inventors
Lowell L. Kuhn
Stephen G. Miggels
Assignee (at issue)
Allis-Chalmers 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.