Assignee
ALPHA TECHNOLOGIES
US3 patents
Top patents by PatentIndex Score
US5642002AJun 24, 1997
Apparatus and methods for generating uninterruptible AC power signals
ALPHA TECHNOLOGIES161 citations94
US5410720AApr 25, 1995
Apparatus and methods for generating an AC power signal for cable TV distribution systems
ALPHA TECHNOLOGIES101 citations94
US6164818ADec 26, 2000
Method and apparatus for measuring viscous heating of viscoelastic materials
ALPHA TECHNOLOGIES13 citations63