JS

John F. Shumaker

JC J. I. Case: 7 patents #1 of 27Top 4%
📍 Sac City, IA: #1 of 3 inventorsTop 35%
🗺 Iowa: #1 of 364 inventorsTop 1%
Overall (1982): #412 of 81,411Top 1%
7
Patents 1982

Issued Patents 1982

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4365428 Bucket mounted footing tool 1982-12-28
4364705 Loader mechanism 1982-12-21
4360982 Bucket with removable cutting plate Herman J. Maurer 1982-11-30
4358240 Asymmetric backhoe 1982-11-09
4344734 Self-leveling bucket linkage 1982-08-17
4329797 Amplified loader arm 1982-05-18
4309142 See-through bucket 1982-01-05