| Patents for John W. Parker |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
| | 171,039 | Dec. 14, 1875 | T. Parker, J.W. Parker | Saw-Gummer |
| | 1,283,193 | Oct. 29, 1918 | G.A. Humason | Drill |
 | 1,437,352 | Nov. 28, 1922 | J.W. Parker | Direct or Sight Reading Micrometer |
 | 1,437,353 | Nov. 28, 1922 | J.W. Parker | Revolution counter |
 | 1,446,926 | Feb. 27, 1923 | J.W. Parker | Micrometer |
| | 1,461,005 | Jul. 03, 1923 | J.W. Parker | Micrometer Caliper |
 | 1,529,209 | Mar. 10, 1925 | J.W. Parker | Protractor |
 | 1,529,210 | Mar. 10, 1925 | J.W. Parker | Hook Rule |
 | 1,553,875 | Sep. 15, 1925 | J.W. Parker | Micrometer Caliper |
 | 1,629,406 | May 17, 1927 | J.W. Parker | Micrometer Gage |
