Patents for Henry R. Hoffman |
Patents 1 -
4
of 4
|
Number | Date | Patentee | Title | Type |
3,186,333 | Jun. 01, 1965 | H.R. Hoffman, H.L. Sidenstick | Rubber band stretching apparatus | packing and packaging machines |
3,393,633 | Jul. 23, 1968 | H.R. Hoffman, H.L. Sidenstick | Rubber band stretching method | packing and packaging machines |
3,572,396 | Mar. 23, 1971 | H.R. Hoffman, H.L. Sidenstick | Rubber band stack and method and apparatus for its manufacture | packing and packaging machines |
4,173,069 | Nov. 06, 1979 | H.R. Hoffman, H.L. Sidenstick | Power shear head | handheld power shears |