Patents:

Screw Action Disc Brake:

    US Patent No. 6,112,862 (Click to view on USPTO Website)

Inventor: Erlston, Lester John
Patent Attorney: Marger Johnson & McCollom, P.C.

Coaxial Helical Brake and Method of Braking:

    US Patent Application No. US 2006/0260886 (Click to view on USPTO Website)

Inventors: Erlston, Lester John and Miles, Michael D.

Patent Attorney: Marger Johnson & McCollom, P.C.

Further US and PCT Patents pending.

Papers: (Click links below to download PDF files)

Paper presented at the 2005 SAE Brake Colloquium, Orlando, Florida

Paper presented at IMechE Braking 2006, York, England