Thomas Jay Landwehr

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DePere, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety knife
- Patent number 11,247,359
- Issue date Feb 15, 2022
- RITESAFETY PRODUCTS, INT'L.
- Thomas Jay Landwehr
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Utility knife with a replacement blade and a system and method for...
- Patent number 11,219,978
- Issue date Jan 11, 2022
- RITESAFETY PRODUCTS INT'L, LLC
- Thomas Jay Landwehr
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Knife with pressure indication
- Patent number 11,045,963
- Issue date Jun 29, 2021
- Thomas Jay Landwehr
- G01 - MEASURING TESTING
Information Patent Grant
Slabbing machine
- Patent number 11,027,941
- Issue date Jun 8, 2021
- Product Solutions Int'l, LLC
- Melvin Freedman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Cutting hand tool
- Patent number 10,144,140
- Issue date Dec 4, 2018
- Ritesafety Products Internatioal, LLC
- Thomas Jay Landwehr
- B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

Information Patent Application
Slabbing Machine
- Publication number 20200262674
- Publication date Aug 20, 2020
- Melvin Freedman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
WEAR-INDICATING BLADE
- Publication number 20180133859
- Publication date May 17, 2018
- Thomas Jay Landwehr
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
CUTTING HAND TOOL WITH PRESSURE INDICATION
- Publication number 20170361474
- Publication date Dec 21, 2017
- Thomas Jay Landwehr
- B26 - HAND CUTTING TOOLS CUTTING SEVERING