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USPTO Patent Rankings Data through Sept 30, 2025
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Robert A. Kalas

Pennsylvania: #1,792 of 6,061 inventorsTop 30%
Overall (2011): #181,043 of 364,097Top 50%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D649608 Goal stop 2011-11-29