Referenced by|
| US4084696 | 24 Mar 1976 | 18 Apr 1978 | | Bind-in insert | | US4534581 | 14 Dec 1983 | 13 Aug 1985 | Nekoosa Envelopes, Inc. | Product and method for using airline tickets | | US5516033 | 30 Mar 1993 | 14 May 1996 | American Greetings Corporation | Multi-leaved greeting card with integral envelope | | US6053855 | 14 Aug 1998 | 25 Apr 2000 | Kurt H. Volk, Inc. | Direct mail article with cover and one or more interior sheets and integral business reply envelope |
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