Granted Patent
Utility
US 4,212,691 · App. 05/962,595
Methods and apparatus for making decorative inlaid types of resilient sheet materials and the like
Inventors:
Milton J. Potosky, Peter J. Rohrbacher
Patented Case
View Patent ↗
Granted: Jul 15, 1980
Filed: Nov 21, 1978
Inventors
Milton J. Potosky
Peter J. Rohrbacher
Assignee (at issue)
CONGOLEUM 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.