Patent document collection on
"Signal arms for self-defense & Sports"

79 patents - together approximately 735 pages of paper (if printed)

From national and international patent databases. Patent documents about 50 in the German language, about 50 in English.

Description of content:
This patent collection tells you all the secrets and developments of signal arms since 1920. You will discover secret inventions that never came on the market because they are too burdensome or expensive to produce. The patent documents describes every detail of development and contains detailed drawings. Enter this fascinating world - the information offered here are in no book available, because they come directly from the source - namely from the inventors themselves!

Each document is structured so that the invention in text and drawings more closely described and displayed. This enables you to understand design and function of the invention in all details!

All patent documents in PDF format. The PDF files can easily be read on screen or can be in any desired print size.

The possible use of brand names in this offer is only item description and the unique assignment of the product. The product is not directly linked with the brand owners or their representatives.