| All Patents in class D23/383 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | D3,399 | Mar. 02, 1869 | B.F. Sturtevant | Design for Blower Case |
 | 270,897 | Jan. 23, 1883 | C. Hammelmann | Fan-blower |
 | D34,882 | Jul. 30, 1901 | H.B. Keiper | Design for a gear-train casing for rotary blowers |
 | D34,883 | Jul. 30, 1901 | H.B. Keiper | Design for a gear-train and rotary-blower casing |
 | D34,884 | Jul. 30, 1901 | H.B. Keiper | Design for a gear-train casing for rotary blowers |
 | D34,885 | Jul. 30, 1901 | H.B. Keiper | Design for a gear-train casing for rotary blowers |
 | D35,671 | Feb. 04, 1902 | A.E. Canedy | Design for a blower and gear casing |
 | D46,152 | Jul. 21, 1914 | H.W. Wendt | Blower Gear Casing |
| | 4,325,163 | Apr. 20, 1982 | D.A. Milliken, G.M. Zink, C.A. Mattson | Portable blower-vacuum unit |
