Royal Anchor Systems, Inc.

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Stacy, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Base of a manhole having a canal-bed liner
- Patent number 5,752,787
- Issue date May 19, 1998
- Royal Anchor Systems, Inc.
- Julian P. Trangsrud
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Ground anchor
- Patent number 5,720,579
- Issue date Feb 24, 1998
- Royal Anchor Systems, Inc.
- Julian P. Trangsrud
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
75421414 - CENTURY MANHOLE
- Serial number 75421414
- Registration number 2295133
- Filing date Jan 22, 1998
- Royal Anchor Systems, Inc.
- 19 - Building materials (non-metallic)
Information Trademark
75005900 - ROYAL ANCHOR SYSTEMS, INC. ROYAL ANCHOR LOCK
- Serial number 75005900
- Filing date Oct 16, 1995
- Royal Anchor Systems, Inc.
- 20 - Furniture, mirrors, picture frames