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Charles E. Schroer — 3 Patents

COCosco: 3 patents #13 of 36Top 40%
Columbus, IN: #513 of 1,378 inventorsTop 40%
Indiana: #10,705 of 33,936 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Charles E. Schroer has been granted 3 US patents while listed as an inventor at Cosco. The first was granted in 1984 and the most recent in February 2000. Charles E. Schroer ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Charles E. Schroer in Columbus, IN, US.

Patents per Year

Patents granted per year, 1984 to 2000Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841989: 1 patents19892000: 1 patents2000

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6026933 Step stool Raymond P. King 2000-02-22
4799700 Collapsible walker Roy E. Knoedler, Kenneth P. Morton 1989-01-24
4485892 Platform stool Kevin Maloney 1984-12-04

Frequent Collaborators

Raymond P. King1 shared
Kevin Maloney1 shared
Roy E. Knoedler1 shared
Kenneth P. Morton1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3