Devender Swaroop

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Frederick, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making laminated roofing shingles
- Patent number 6,544,374
- Issue date Apr 8, 2003
- Tamko Roofing Products
- Thomas M. King
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Apparatus for making laminated roofing shingles
- Patent number 6,220,329
- Issue date Apr 24, 2001
- Tamko Roofin Products
- Thomas M. King
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for making laminated roofing shingles
- Publication number 20010000587
- Publication date May 3, 2001
- Thomas M. King
- B32 - LAYERED PRODUCTS