WJ

Wilbur A. Spraker, Jr.

HM Household Manufacturing: 1 patents #4 of 14Top 30%
WM Wallace Murray: 1 patents #11 of 31Top 40%
📍 Martinsville, IN: #43 of 130 inventorsTop 35%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,331,388 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4840036 Air cycle refrigeration system — 1989-06-20
4384821 Free floating divider wall turbine housing Arthur H. Mains, Allan C. Harper 1983-05-24