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USPTO Patent Rankings Data through Dec 31, 2025
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Eric Lee Gustafson — 3 Patents

RERexair: 3 patents #15 of 37Top 45%
Cadillac, MI: #82 of 282 inventorsTop 30%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Eric Lee Gustafson has been granted 3 US patents while listed as an inventor at Rexair. The first was granted in 1999 and the most recent in May 2002. Eric Lee Gustafson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Eric Lee Gustafson in Cadillac, MI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6391101 Separator with multiple function vanes for a vacuum cleaner apparatus Jeffrey R. Kassien 2002-05-21
6306199 Separator with multiple function vanes for a vacuum cleaner apparatus Jeffrey R. Kassien 2001-10-23
5902386 Reduced diameter separator for a vacuum cleaner apparatus Dean R. Rohn, Craig Cummins, Skip Erickson, Jeffrey R. Kassien, Michael R. Lovelace, Jr. 1999-05-11