Richard D. Sangster, Jr.

3 Patents

• US125404892026

  Universal Electronic Latch Retraction Mechanism

  ASSA ABLOY Access And Egress Hardware Group, Inc.

  0 cites
• US118519132023

  Hook Bolt for Door Lock

  Sargent Manufacturing Company

  0 cites
• US115851162023

  Anti-ligature Lever

  SARGENT MANUFACTURING COMPANY

  0 cites