WS

Wil Siersma

📍 Carbondale, CO: #24 of 65 inventorsTop 40%
🗺 Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,632,854 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5906565 Liquid resistance or therapy system for use with an exercise and/or therapy apparatus Jack Wasserman, Frank H. Speckhart, Alan Scott 1999-05-25
5885194 Attachment system for suspending an exercise and/or therapy apparatus in a pool of liquid Jack Wasserman, Frank H. Speckhart, Alan Scott 1999-03-23
5665039 Excercise and/or therapy apparatus having an impeller for use in a pool of liquid Jack Wasserman, Frank H. Speckhart, Alan Scott 1997-09-09