Fortress announces issuance of US Patent No: US 11,365,521 B2 for the "Pavement Joint Cleaning System" popularly known as TYPHOON !

By StephenAugust 01, 20220 comments

Winds of Change were Blowing. Vol 2 No 3

In summer of 1989, the world watched the Chinese Communist government order its soldiers to open fire on demonstrating students; Skid Row's "18 and Life" took on new meaning, and Winds of Change were blowing on a new Paving Stone Industry Association.

By StephenApril 01, 20220 comments

Free markets, new inventions and new innovations - 1989 Vol 2 No 2

Spring of 1989 was in full bloom. Our crew was making it's way around the country and into Canada, as thousands of Chinese students gathered in Beijing's Tiananmen Square to demand human rights and political freedom of their oppressive Communist government.

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FORTRESS Engineering - Design
15354 Flag Avenue South
Prior Lake, Minnesota, 55372
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Winds of Change were Blowing. Vol 2 No 3

Free markets, new inventions and new innovations - 1989 Vol 2 No 2

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