×

Headset-hardhat adapter

  • US D248,158 S
  • Filed: 08/16/1976
  • Issued: 06/13/1978
  • Est. Priority Date: 08/16/1976
  • Status: Expired due to Term
First Claim
Patent Images

1. The ornamental design for a headset-hardhat adapter, substantially as shown.

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