Frederick Joseph Christen

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Devices for supporting and transporting sheet materials
- Patent number 8,601,651
- Issue date Dec 10, 2013
- Hallmark Stone Company
- Frederick Joseph Christen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
DEVICES FOR SUPPORTING AND TRANSPORTING SHEET MATERIALS
- Publication number 20100019116
- Publication date Jan 28, 2010
- HALLMARK STONE COMPANY
- Frederick Joseph Christen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
DEVICES FOR SUPPORTING AND TRANSPORTING SHEET MATERIALS
- Publication number 20090096180
- Publication date Apr 16, 2009
- HALLMARK STONE COMPANY
- Frederick Joseph Christen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS