Gregory T. Prellwitz has been granted 9 US patents while listed as an inventor at Cmd . The first was granted in 2008 and the most recent in September 2023. Gregory T. Prellwitz ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Gregory T. Prellwitz in Black Creek, WI, US.
Patents per Year Patents granted per year, 2008 to 2023 Bar chart with a peak of 2 patents in 2011. peak 2 2008: 1 patents 2008 2011: 2 patents 2011 2012: 1 patents 2012 2015: 1 patents 2015 2016: 2 patents 2016 2017: 1 patents 2017 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
11752727 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2023-09-12
9751273 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2017-09-05
9434106 Method and apparatus for making skirtless seals Paul A. Selle 2016-09-06
9238343 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2016-01-19
8998787 Method and apparatus for a bag machine Paul A. Selle , Gordon M. Breier , David G. Kuchenbecker 2015-04-07
8257236 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2012-09-04
8029428 Method and apparatus for making skirtless seals Paul A. Selle 2011-10-04
8012076 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2011-09-06
7445590 Method and apparatus for making bags Paul A. Selle , Kenneth C. Radtke , Charles H. Sauder , Paul Johnson , Christopher L. White +6 more 2008-11-04