JM

Joseph F. McGroarty

SA Sears, Roebuck And: 1 patents #16 of 45Top 40%
📍 Chicago, IL: #7,538 of 13,327 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,998,061 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4598177 Hearing aid with self-contained battery compartment and volume control Thomas David Houlihan 1986-07-01