Eric S. Smith

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Grandville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Wheelchair ramp system using structrually insulated panel (SIPs)
- Patent number 11,585,097
- Issue date Feb 21, 2023
- Heated Ramps, LLC
- Bruce A. Grifhorst
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Heated wheelchair ramp system
- Patent number 10,801,211
- Issue date Oct 13, 2020
- Heated Ramps, LLC
- Bruce A. Grifhorst
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
WHEELCHAIR RAMP SYSTEM USING STRUCTRUALLY INSULATED PANEL (SIPS)
- Publication number 20210025172
- Publication date Jan 28, 2021
- Heated Ramps, LLC
- Bruce A. Grifhorst
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HEATED WHEELCHAIR RAMP SYSTEM
- Publication number 20200217076
- Publication date Jul 9, 2020
- Heated Ramps, LLC
- Bruce A. Grifhorst
- E04 - BUILDING