FS

Frederick R. Sytsma

CS C. L. Frost & Son: 2 patents #4 of 12Top 35%
FI Frost Incorporated: 1 patents #1 of 8Top 15%
📍 Grand Rapids, MI: #536 of 1,824 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,671,625 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4863293 Sealed bearing assembly 1989-09-05
4266657 Chain bracket with strengthened chain supports Charles C. Frost, Gerald W. Gurney 1981-05-12
4210238 Chain bracket with strengthened chain supports Charles C. Frost, Gerald W. Gurney 1980-07-01