HC

Harry F. Chapell

SL Sage Laboratories: 5 patents #1 of 3Top 35%
📍 Maynard, MA: #69 of 250 inventorsTop 30%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,060,387 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5148132 Microwave coupler 1992-09-15
4779066 Multi-position switch 1988-10-18
4755778 Microwave apparatus 1988-07-05
4641111 Microwave coupler 1987-02-03
4547753 Microwave coupler 1985-10-15