Brent Keller — 2 Patents at Sub-Zero Group

Brent Keller — 2 Patents

SGSub-Zero Group: 1 patents #28 of 57Top 50%

VUVuzix: 1 patents #29 of 40Top 75%

Stoughton, WI: #92 of 201 inventorsTop 50%

Wisconsin: #17,225 of 40,088 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Brent Keller has been granted 2 US patents while listed as an inventor at Sub-Zero Group. The first was granted in 2021 and the most recent in July 2024. Brent Keller ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Brent Keller in Stoughton, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12039642	Reticle alignment	Paul J. Travers, Adam C. Gogolski	2024-07-16	$817,000
11022329	Humidity control system	Randy W. Hurlebaus	2021-06-01

Brent Keller — 2 Patents

Issued Patents All Time

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