| All Patents in class 29/525 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 270,503 | Jan. 09, 1883 | J.J. Stopple | Coffee Roaster | coffee roasters |
| 2,017,154 | Oct. 15, 1935 | E.T. Larkin | Valve Seat Construction for Engines and the Like | valves |
| 2,056,160 | Oct. 06, 1936 | H.L. Allen | Valve Element and the Method of Forming the Same | internal combustion engine valves |
| 2,598,975 | Jun. 03, 1952 | L.E. Coulter | Tool or Die and Holder Assembly | sheet metal stamping dies |
| 3,456,330 | Jul. 22, 1969 | J.C. Norcross | Method of making and assembling a dead-blow hammerhead | |
