William Sung

Follow

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless communication features for respiratory protection device
- Patent number 12,102,850
- Issue date Oct 1, 2024
- 3M Innovative Properties Company
- Darin K. Thompson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital switching system with shared analog line
- Patent number 7,058,175
- Issue date Jun 6, 2006
- Nortel Networks Limited
- Paul A. Hanrieder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital switching system with shared analog line
- Patent number 6,771,773
- Issue date Aug 3, 2004
- Nortel Networks Limited
- Paul A. Hanrieder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Wireless Communication Features for Respiratory Protection Device
- Publication number 20220339473
- Publication date Oct 27, 2022
- 3M Innovative Properties Company
- Darin K. Thompson
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Digital switching system with shared analog line
- Publication number 20050058271
- Publication date Mar 17, 2005
- Paul A. Hanrieder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE