| Patents for Harvey R. Plummer |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 2,675,604 | Apr. 20, 1954 | H.R. Plummer | Toolholder |
| | 3,178,739 | Apr. 20, 1965 | W.M. Ritter, H.R. Plummer | Double Float Tool Holder |
| | 3,295,187 | Jan. 03, 1967 | H.R. Plummer | Adjustable Block Type Cutting Tool With Clamped on Insert Blades |
| | 3,348,434 | Oct. 24, 1967 | H.R. Plummer | Boring Bar Assembly for Deep Hole Boring |
| | 4,054,977 | Oct. 25, 1977 | H.R. Plummer | Block Type Cutting Tool With Positive Clamp for Insert Blades |
| | 4,354,305 | Oct. 19, 1982 | H.R. Plummer, W.E. Keller | Contouring and Threading Attachment for Multi Function Machine Tools |
