×

Supervisor and subordinate lock system

  • US 6,583,712 B1
  • Filed: 01/06/2000
  • Issued: 06/24/2003
  • Est. Priority Date: 01/06/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A lock system comprising:

  • a subordinate lock; and

    a supervisor lock, the supervisor lock outputs an access code, the access code permits opening the subordinate lock.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×