Books

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Herrmann, F. (2018). Patents on the Soles of Your Shoes, (Volume I, 2013). Amazon: CreateSpace.

ISBN-13: 978-1542406741.

Available at Amazon.con

 

 

 

 

 

 

 

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Herrmann, F. (2020). Patents on the Soles of Your Shoes, (Volume II, 2014). Amazon: KDP.

ISBN-13: 978-1542406550.

Available at Amazon.con

 

 

 

 

 

 

 

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Herrmann, F. (2022). Patents on the Soles of Your Shoes, (Volume III, 2015). Amazon: KDP.

ISBN-13:978-1542406352.

Available at Amazon.con

 

 

 

 

 

 

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