ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,442, issued on Dec. 23.

"Electrical testing device with probe having portions with different cross-sectional areas" was invented by Nicholas A. Gabbey (Mount Pleasant, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for testing a voltage level in an electrical terminal cavity including a testing body and a probe for contacting the electrical terminal cavity. The probe includes a tip portion having a first cross-sectional area, a base portion having a second cross-sectional area, and an intermediate portion extending from the tip portion to the base portion having a third cross-sectional area. The first cross-sectional area is smaller th...