| Patents for Harrison L. Chapin |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| D85,817 | Dec. 22, 1931 | H.L. Chapin, W.F. Folmer | Electric Lamp and High Tension Insect Destoyer | insect exterminators |
| 1,848,614 | Mar. 08, 1932 | H.L. Chapin, W.F. Folmer | Electrical Insect Exterminator | insect exterminators |
| 1,852,923 | Apr. 05, 1932 | H.L. Chapin, W.F. Folmer | Electric Insect Exterminator | insect exterminators |
| 1,936,468 | Nov. 21, 1933 | H.L. Chapin, W.F. Folmer | Insect Exterminator | insect exterminators |
| 1,960,084 | May 22, 1934 | H.L. Chapin, W.F. Folmer | Electrical Insect Exterminator | insect exterminators |
| 1,962,439 | Jun. 12, 1934 | H.L. Chapin, W.F. Folmer | Insect Exterminator | insect exterminators |
| 2,001,414 | May 14, 1935 | H.L. Chapin, W.F. Folmer | Insect Exterminator | insect exterminators |
| 2,061,458 | Nov. 17, 1936 | H.L. Chapin, W.F. Folmer | Insect Exterminating Device | insect exterminators |
