Inventor
NORWOOD DAVID W
US8 patents
⚠️ This page may combine multiple inventors who share the name “NORWOOD DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SWEETHEART CUP CO
7 patentsUS5078313AJan 7, 1992
Wax-coated paperboard containers
SWEETHEART CUP CO43 citations92
US5281446AJan 25, 1994
Methods for coating paper board containers
SWEETHEART CUP CO17 citations78
US6139481AOct 31, 2000
Gas fired burner for sealing single and double sided polycoated paper cups
SWEETHEART CUP CO12 citations72
US5456754AOct 10, 1995
Apparatus for coating paperboard containers
SWEETHEART CUP CO14 citations71
US6126585AOct 3, 2000
Apparatus and method to lubricate and curl paperboard container rims
SWEETHEART CUP CO9 citations68
US6027439AFeb 22, 2000
Two-piece paperboard lids having spiral-wound side wall and non-circular geometries, and methods of making the same
SWEETHEART CUP CO5 citations60
US6852071B2Feb 8, 2005
Systems and methods for making paperboard containers
SWEETHEART CUP CO0 citations42