HEARTHSTONE

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SAN FRANCISCO, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Robotic apparatus for processing timber used in construction of a l...
- Patent number 10,150,226
- Issue date Dec 11, 2018
- Hearthstone, Inc.
- Randy K. Giles
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Log home fabrication process and associate log cutting machine
- Patent number 6,640,855
- Issue date Nov 4, 2003
- Hearthstone, Inc.
- Randy K. Giles
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Secondary combustion system for wood burning stove
- Patent number 4,628,898
- Issue date Dec 16, 1986
- Hearthstone Corporation
- Peter E. W. von Conta
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Secondary combustion system for woodburning stove
- Patent number 4,553,526
- Issue date Nov 19, 1985
- The Hearthstone Corporation
- Peter E. W. von Conta
- F24 - HEATING RANGES VENTILATING

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Patents Applicationslast 30 patents

Information Patent Application
Robotic Apparatus for Processing Timber Used in Construction of a L...
- Publication number 20170043496
- Publication date Feb 16, 2017
- Hearthstone, Inc.
- Randy K. Giles
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

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Trademarklast 30 trademarks

Information Trademark
85065514 - HEARTDRIED
- Serial number 85065514
- Registration number 3916777
- Filing date Jun 17, 2010
- Hearthstone, Inc.
- 19 - Building materials (non-metallic)
Information Trademark
75844695 - TIMBERWRIGHT
- Serial number 75844695
- Registration number 2448526
- Filing date Nov 9, 1999
- Hearthstone, Inc.
- 37 - Building construction
Information Trademark
75650169 - AMERICA'S PREEMINENT INVESTOR IN SINGLE-FAMILY HOMEBUILDING
- Serial number 75650169
- Registration number 2384337
- Filing date Mar 1, 1999
- HEARTHSTONE
- 36 - Insurance
Information Trademark
75650170 - HEARTHSTONE
- Serial number 75650170
- Filing date Mar 1, 1999
- HEARTHSTONE
- 35 - Advertising
Information Trademark
73644217 - HEARTHSTONE
- Serial number 73644217
- Registration number 1488285
- Filing date Feb 12, 1987
- HEARTHSTONE CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
73156907 - HEARTHSTONE
- Serial number 73156907
- Registration number 1121630
- Filing date Jan 30, 1978
- HEARTHSTONE
- 42 - Scientific and technological services and research and design relating thereto