TL

Thomas Jay Landwehr

RI Ritesafety Products International: 5 patents #1 of 1Top 100%
📍 Green Bay, WI: #53 of 718 inventorsTop 8%
🗺 Wisconsin: #5,297 of 40,088 inventorsTop 15%
Overall (All Time): #554,728 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11247359 Safety knife 2022-02-15
11219978 Utility knife with a replacement blade and a system and method for determining the end of life of the blade 2022-01-11
11045963 Knife with pressure indication 2021-06-29
11027941 Slabbing machine Melvin Freedman 2021-06-08
10179415 Hand cutter with a retractable blade 2019-01-15
10144140 Cutting hand tool 2018-12-04
9226636 Scraper hand tool 2016-01-05
9003668 Hand cutter with blade guard 2015-04-14
8720068 Hand cutter with blade guard 2014-05-13