Tandem sub

USD904475S1 · kind S1 · design

Assignee

• DynaEnergetics Europe GmbH · DE

Inventors

• Frank Haron Preiss · Bonn, DE
• Liam McNelis · Bonn, DE
• Eric Mulhern · Edmonton, CA
• Thilo Scharf · Letterkenny, IE
• David C. Parks · Calgary, CA

Key dates

• Filing date: Apr 29, 2020
• Grant date: Dec 8, 2020
• Expiry date: Dec 8, 2035

Classification

• Technology area (CPC —): General