AirSep Corporation
1.3
PATENTS, TRADEMARKS AND COPYRIGHT
The Workhorse Oxygen Concentrator is protected by the following US Patents:
6
■ 4,925,464
■ 5,112,367
■ 5,114,441
■ 5,268,021
■ 5,366,541
■ 5,593,478
■ Re. 35,099
■ Other patents pending
Workhorse-8 Instruction Manual