

Callahan of Chicago, Illinois, in the United States, received the first patent for a windowed envelope on 10 June 1902. Looking for something similar? Shop Custom Window Envelopes, Custom Business Envelopes, and Custom Printed Envelopes.US Patent 701,839 for a windowed envelope Modern envelope with a single window for the recipient addressĪ windowed envelope is a conventional envelope with a transparent (typically PET or BOPS Bi-oriented polystyrene plastic film) window to allow the recipient's address to be printed on the paper contained within.Īmericus F. Save time by printing the mailing and return addresses on your document to show through the poly film windows. Perfect for mailing paychecks, bank statements, or anything you want kept safe. Each envelope features a security tint to protect your information from prying eyes. Protect your sensitive information with a security check envelope.

#9 envelopes are perfectly sized to fit inside the #10 to use as a return envelope.

Save time by printing the mailing and return addresses right on your document to show through the poly film windows. Perfect for mailing checks, bank statements, and standard documents. #10 envelopes are the standard business-size envelope. Print the mailing and return addresses right on your document to show through the poly film windows. Perfect for mailing paychecks, bank statements, and documents. Save even more time with a simple seal window envelope. Print your name, address, and logo right on the envelope! Get creative with easy-edit templates or let our expert designers draw you a proof. #10 Window Envelope, the standard size for businesses, will save your company time to focus on the important things. No need to address every letter, simply print the information on your documents to show through the poly film windows. Shop for window envelopes and get free shipping! Perfect for mailing checks, invoices, business documents, and more! Window Envelopes come in multiple sizes including: #6 3/4, #7, #9, and #10.
