Mark Thomas Schaefer

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Woodbine, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Outdoor drain filter with flood protection
- Patent number 11,761,191
- Issue date Sep 19, 2023
- Mark Thomas Schaefer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PLUMBER'S PLATFORM
- Publication number 20220361680
- Publication date Nov 17, 2022
- Mark Thomas SCHAEFER
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
OUTDOOR DRAIN FILTER WITH FLOOD PROTECTION
- Publication number 20210123226
- Publication date Apr 29, 2021
- Mark Thomas Schaefer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...