Inventor
ENGST BILL
US4 patents
Patents
4 patentsUS6081175AJun 27, 2000
Coupling structure for coupling cavity resonators
RADIO FREQUENCY SYSTEMS INC41 citations88
US6836198B2Dec 28, 2004
Adjustable capacitive coupling structure
RADIO FREQUENCY SYSTEMS INC15 citations79
US7956707B2Jun 7, 2011
Angled metallic ridge for coupling combline and ceramic resonators
RADIO FREQUENCY SYSTEMS INC2 citations58
US7327210B2Feb 5, 2008
Band agile filter
RADIO FREQUENCY SYSTEMS INC6 citations57