Date: Posted by: Category: Historic Patents

4,147,425 – Polaroid Corp – Photographic processing roller having a surface roughened by electric discharge machining

One o f Polaroid’s most famous inventions was their instant camera and film.

Click here to see the Polaroid patent

About Us:  David Dawsey is an IP attorney with over 16 years of practice. He helps clients protect their inventions and trademarks, guides them through IP clearance and strategy decisions, and undertakes product name development projects and training. David Dawsey is one of the few IP lawyers that is also a registered professional engineer!

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Dawsey IP is dedicated to providing the highest quality intellectual property legal services to clients around the globe. Our intellectual property lawyers pride themselves in knowing our client’s businesses so that we can better educate our clients on the legal risks associated with their business decisions. This often includes strategically monitoring competitor’s intellectual property portfolios, as well as participating in meetings to road map a direction for the future of our client’s patent and trademark portfolios.

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