| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Henry R. Hoffman | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 3,186,333 | Jun. 01, 1965 | H.R. Hoffman, H.L. Sidenstick | Rubber band stretching apparatus | |
 | 3,393,633 | Jul. 23, 1968 | H.R. Hoffman, H.L. Sidenstick | Rubber band stretching method | |
 | 3,572,396 | Mar. 23, 1971 | H.R. Hoffman, H.L. Sidenstick | Rubber band stack and method and apparatus for its manufacture | |
 | 4,173,069 | Nov. 06, 1979 | H.R. Hoffman, H.L. Sidenstick | Power shear head | |