WILLIAM H. SWAIN CO., THE Trademarks
DC AMP CLIP
Filed: July 18, 1977
INSTRUMENT FOR MEASURING ELECTRIC CURRENT
Owned by: WILLIAM H. SWAIN CO., THE
Serial Number: 73134170
DC AMP CLIP
Filed: July 9, 1980
INSTRUMENTS TYPICALLY FOR MEASURING DIRECT CURRENT CONSTRUCTED IN ACCORD WITH AT LEAST SOME OF THE BASIC TEACHING
Owned by: WILLIAM H. SWAIN CO., THE
Serial Number: 73269501
