Jack Lo Books

The Patent Drawing Book
The Patent Drawing Book

By David Pressman, Jack Lo, Jack Lo And David Pressman, Stephanie Harolde And Stephen Elias

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A companion to Dvid Pressman's bestsellign Patent It Yourself, this book carefully explains how to create patent drawings that comply with the strict rules of the U.S. Patent Office -- without spen...

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How to Make Patent Drawings
How to Make Patent Drawings

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How To Make Patent Drawings: A Patent It Yourself Companion
How To Make Patent Drawings: A Patent It Yourself Companion

By Jack Lo, David Pressman Attorney, Jack Lo Patent Agent, Jack Lo Patent Agent, David Pressman Attorney

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Patent drafters charge $75 to $100 per sheet to prepare drawings -- but you can draw them yourself! How to Make Patent Drawings is an essential guide for inventors who want to complete a cruci...

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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