John B. Whitaker, Jr.

KM Kershaw Manufacturing: 4 patents #1 of 2Top 50%

📍 Millbrook, AL: #1 of 1 inventorsTop 100%

🗺 Alabama: #12 of 435 inventorsTop 3%

Overall (1989): #4,724 of 140,708Top 4%

Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4882860	Apparatus for removing ballast from beneath railroad tracks	—	1989-11-28
4850123	Ballast removal apparatus	—	1989-07-25
4848426	Adzer cribber	—	1989-07-18
4843967	Compaction tamper	—	1989-07-04