Patents for Frederick W. Parsons |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
471,189 | Mar. 22, 1892 | F.W. Parsons, E.P. Parsons | Tool Head for Iron Planers and Shapers | metal shapers |
482,331 | Sep. 13, 1892 | G.T. Bechtol | Differential Caliper Point | dividers |
555,879 | Mar. 03, 1896 | E.P. Parsons, F.W. Parsons | Clamping or Securing Device | metal lathe accessories and attachments |
1,428,847 | Sep. 12, 1922 | F.W. Parsons, F.A. Jimerson | Built-up crank shaft | pneumatic motors |
1,431,415 | Oct. 10, 1922 | F.W. Parsons, F.A. Jimerson | Built-up crank shaft | pneumatic motors |
1,431,416 | Oct. 10, 1922 | F.W. Parsons, F.A. Jimerson | Built-up crank shaft | pneumatic motors |