Granted Patent
Utility
US 5,146,950 · App. 07/750,748
Modular plastic color changer
Inventors:
Michael C. Rodgers, D. William Medlock, Matthew D. Byam
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Aug 21, 1991
Inventors
Michael C. Rodgers
D. William Medlock
Matthew D. Byam
Assignee (at issue)
Ransburg 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.