Mary Descant Caldwell

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Resistive skate device
- Patent number 11,872,439
- Issue date Jan 16, 2024
- Revathletic LLC
- Michael Robert Sirotka
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RESISTIVE SKATE DEVICE
- Publication number 20220203156
- Publication date Jun 30, 2022
- Revathletic LLC/dba RevSkate
- Michael Robert Sirotka
- A63 - SPORTS GAMES AMUSEMENTS