The Company’s first manufacturing patent is issued for a shirt-packaging envelope made on custom-designed equipment. E.B. Berkowitz, son of William Berkowitz, begins to develop and patent many machines and envelopes.
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The Basics of Paper Weights
When it comes to mailing, envelope weight isn’t just about grams or ounces—it’s about meeting USPS requirements and keeping costs in check. Understanding how paper basis weight and thickness are…
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