William G. Sampson

3 Patents

• US125559652026

  Power Adapter for Automotive Vehicle Maintenance Device

  Midtronics, Inc.

  0 cites
• US115669722023

  Tire Tread Gauge Using Visual Indicator

  MIDTRONICS, Inc.

  0 cites
• US115458392023

  System for Charging a Series of Connected Batteries

  MIDTRONICS, Inc.

  0 cites