| All Patents in class 222/326 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,259,146 | Mar. 12, 1918 | F.W. Shields | Grease Gun | grease guns |
| 1,268,654 | Jun. 04, 1918 | S.C. Baker, J.L. White | Grease Gun | grease guns |
| 1,269,438 | Jun. 11, 1918 | A.H. Hieatzman | Grease Gun | grease guns |
| 1,545,379 | Jul. 07, 1925 | F.D. Winkley | Dispensing apparatus | industrial machine lubrication |
| 2,886,215 | May 12, 1959 | O.C. Lyles, J.R. Graef, V.G. Klein | Lubricant Gun | grease guns |
| 5,248,068 | Sep. 28, 1993 | N.C. Rittmann Gasperi, R.S. Goergen, S.R. Wente | Caulk Gun with Ergonomic Handles | |
