ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,029, issued on July 21, was assigned to Nordson Corp. (Westlake, Ohio).

"Manual viscous liquid dispensing device having a locking mechanism" was invented by Robert W. Springhorn (Cream Ridge, N.J.) and Robert C. Brennan (Robbinsville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A product dispensing device includes a body having a first end and a second end; a product holding mechanism at the first end; a plunger defining a rack, supported by and extending through the product holding mechanism and the body from the first end to the second end; a drive mechanism, pivotally coupled to the body, including a trigger, a trigger return spring, and ...