Tensolator – The Original Isometric Exerciser Tensolator
In the 1970s, Gert F Kolbel — a German inventor — took an existing patent and created what could be considered the first “isometric exercise equipment.” [widget id="ad_unit-3"]Ad Widget: Google Adsense[/widget] It was called the Tensolator later on it was renamed the Bullworker. The original patent belonged to Arthur A. Pons. His was a simple ...…
