HERITAGE ENVIRONMENT SERVICES, LLC

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INDIANAPOLIS, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Calcium-sodium polysulfide chemical reagent and production methods
- Patent number 7,534,413
- Issue date May 19, 2009
- Heritage Environment Services, LLC
- Ralph E. Roper, Jr.
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Methods and apparatus for encapsulating hazardous debris
- Patent number 7,074,174
- Issue date Jul 11, 2006
- Heritage Environment Services, LLC
- Gary F. Lindgren
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

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