Assignee

STERLING ENVELOPE CORP

US·2 granted patents·32 citations·filing 1989–1990

Technology mixB31B2

Top patents by PatentIndex Score

2 records

0154US5050812ADual-envelope making machine and method of usingSTERLING ENVELOPE CORP·Filed 1990·Granted Sep 24, 1991·22 cites·5 claims
0239US5049117ADual-envelope making machine and method of usingSTERLING ENVELOPE CORP·Filed 1989·Granted Sep 17, 1991·10 cites·8 claims

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