Wilfred Frey

📍 Calgary, CA: #971 of 5,407 inventorsTop 20%

Overall (All Time): #1,248,175 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7557468	Panel and breaker for distributing UPS power	—	2009-07-07
7259476	DC and AC uninterruptible power supply	—	2007-08-21
5101180	Bidirectional communication line filter and surge protector	—	1992-03-31
4951903	Bag holder	—	1990-08-28