Dan Gurney's
"Moment Cancelling" 4-Stroke Engine
U.S. patent # 9,103,277 was issued on August 11th, 2015.
United States Patent: 9,103,277
Gurney: August 11, 2015
Moment-cancelling 4-stroke engine
Inventors: Gurney; Daniel Sexton (Santa Ana, CA)
Applicant: Gurney; Daniel Sexton (Santa Ana, CA)
Appl. No.: 14/473,839
Filed: August 29, 2014