Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RE

Roger Engelmann — 2 Patents

ADArch Development: 1 patents #150 of 350Top 45%
JCJ. I. Case: 1 patents #133 of 306Top 45%
Racine, WI: #464 of 1,018 inventorsTop 50%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Roger Engelmann has been granted 2 US patents while listed as an inventor at Arch Development. The first was granted in 1981 and the most recent in November 1999. Roger Engelmann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roger Engelmann in Racine, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5987345 Method and system for displaying medical images Kenneth R. Hoffmann, Heber MacMahon, Kunio Doi 1999-11-16
4268057 Control device for three-point hitch James E. Thurler 1981-05-19