Harold L. Spencer

📍 Greenville, IN: #11 of 19 inventorsTop 60%

🗺 Indiana: #19,404 of 33,936 inventorsTop 60%

Overall (All Time): #3,809,404 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5358250	Golf club swing training aid	—	1994-10-25