Granted Patent
Utility
US 4,144,658 · App. 05/882,643
Viscous, flowable, pressure-compensating fitting materials and their use, including their use in boots
Inventor:
Jack C. Swan, Jr.
Patented Case
View Patent ↗
Granted: Mar 20, 1979
Filed: Mar 2, 1978
Inventor
Jack C. Swan, Jr.
Assignee (at issue)
Hanson Industries Limited
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.