Click Here, to see the design patent of my.

Click Here, to view my presentation.


Click Here, to read similar details from the “Suomen Asehistoriallinen Seura” website.



Aselehti poliisin MP5 kurssilla

Small write-up on a presentation I gave to the European Societies of Arms Collectors.

Cadets’ poster captures ’abuse’ contest.

Job Seekers Look for Help in Numbers, Comfort in Pep Talks

John Tengström testaa kännykkäyhteyksiä


John Tengström tests the smartphone

Tietoa Lähialueista 

Although I have not located the video tape or newspaper article, I have the photographs! China was the first Communist country cleared by the State Department (1985) and allowed to have a military attaché speak to cadets.

In The News

Brief description of some of the things I  prototype at the Aalto Fablab.