Erin D. Spring has been granted 9 US patents while listed as an inventor at 3M . The first was granted in 2000 and the most recent in March 2023. Erin D. Spring ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Erin D. Spring in Darien Center, NY, US.
Patents per Year Patents granted per year, 2000 to 2023 Bar chart with a peak of 3 patents in 2020. peak 3 2000: 1 patents 2000 2002: 1 patents 2002 2019: 2 patents 2019 2020: 3 patents 2020 2023: 2 patents 2023
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11607775 Coated abrasive disc and methods of making and using the same Thomas P. Hanschen , Steven J. Keipert , Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg +2 more 2023-03-21
$35,949,000
11597059 Coated abrasive disc and methods of making and using the same Thomas P. Hanschen , Steven J. Keipert , Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg +2 more 2023-03-07
$29,533,000
D879165 Coated abrasive belt Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg , Eric M. Moore , Thomas J. Nelson +2 more 2020-03-24
D879166 Coated abrasive belt Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg , Eric M. Moore , Thomas J. Nelson +2 more 2020-03-24
D879164 Coated abrasive disc Thomas P. Hanschen , Steven J. Keipert , Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg +2 more 2020-03-24
D870782 Coated abrasive disc Thomas P. Hanschen , Steven J. Keipert , Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg +2 more 2019-12-24
D849067 Coated abrasive disc Thomas P. Hanschen , Steven J. Keipert , Joseph B. Eckel , Aaron K. Nienaber , Brant A. Moegenburg +2 more 2019-05-21
6480347 Device for reproducible positioning of optical surfaces — 2002-11-12
D427530 Refractometer Jeffrey R. Maines 2000-07-04
