Search

• Decade: 1920s ×
• Written by: Charles B. Hutchison ×
• Clear filters

1 result for “Owens-Illinois”

1. Patent · December 18, 1923

   Brake Testing Mechanism (US Patent 1,477,960, 1923)

   Charles B. Hutchison received US Patent No. 1,477,960 on December 18, 1923, filed February 28, 1921. The patent's description opens (from the scanned text): My invention relates to improvements in brake testing mechanism;