Jichun Zhou

4 Patents

• US125999722026

  Chuck with Slip Protection

  APEX BRANDS, Inc.

  0 cites
• US123039842025

  Chuck with Lock Sleeve

  APEX BRANDS, Inc.

  0 cites
• US122020552025

  Chuck with Locking Sleeve

  JACOBS CHUCK MANUFACTURING (SUZHOU) COMPANY, Ltd.

  0 cites
• US116606822023

  Chuck with Locking Clutch

  JACOBS CHUCK MANUFACTUIRNG (SUZHOU) COMPANY, Ltd.

  0 cites