TWIN RIVERS ENGINEERING DBA RYNEL, LTD

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BOOTHBAY, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Infrared leak detector
- Patent number 7,022,993
- Issue date Apr 4, 2006
- Twin Rivers Engineering, Inc.
- William J. Williams, II
- G01 - MEASURING TESTING
Information Patent Grant
Infrared leak detector
- Patent number 6,791,088
- Issue date Sep 14, 2004
- Twin Rivers Engineering, Inc.
- William J. Williams
- G01 - MEASURING TESTING
Information Patent Grant
Method of forming a foam substrate and micropackaged active ingredi...
- Patent number 5,098,621
- Issue date Mar 24, 1992
- Twin Rivers Engineering
- Paul F. Hermann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Foam substrate and micropackaged active ingredient particle composi...
- Patent number 4,828,542
- Issue date May 9, 1989
- Twin Rivers Engineering
- Paul F. Hermann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composite active filter material
- Patent number 4,619,948
- Issue date Oct 28, 1986
- Twin Rivers Engineering
- T. Scott Kennedy
- A41 - WEARING APPAREL

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Trademarklast 30 trademarks

Information Trademark
74248275 - AMREL
- Serial number 74248275
- Registration number 1723769
- Filing date Feb 21, 1992
- Twin Rivers Engineering, Inc.
- 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information Trademark
73728105 - RYNEL
- Serial number 73728105
- Registration number 1522918
- Filing date May 13, 1988
- TWIN RIVERS ENGINEERING, INC.
- 37 - Building construction