| All Patents of Type: folding rules |
Patents 1 -
15
of 47
      |
| Number | Date | Patentee | Title | Type |
| 866X | Apr. 29, 1808 | B. Dearborn | Combination Rule/Bevel | folding rules |
| 17,606 | Jun. 16, 1857 | S.C. Hubbard | Joint-Rule Graduating Machine | making rules |
| 19,105 | Jan. 12, 1858 | L.C. Stephens | Carpenter's Rule | folding rules |
| 20,943 | Jul. 20, 1858 | W.O. Fritschler | Carpenter's Rule | folding rules |
| 49,337 | Aug. 08, 1865 | N.H. Bundy | Combination Tool | calipers |
| 65,900 | Jun. 18, 1867 | A.W. Goddard | Improvement in Caliper Rules | rule attachments |
| 66,120 | Jun. 25, 1867 | T. Bigelow | Improvement in Tinner's Rules | rule graduations |
| 85,553 | Jan. 05, 1869 | F.A. Adams | Improvement in Combined Caliper, Rule, and Wire Gauge | folding rules |
| 114,986 | May 16, 1871 | K. Steen | Improvement in Adjustable Squares | squares |
| 160,904 | Mar. 16, 1875 | G.S. Hastings | Improvement in Measuring Rules | folding rules |
| 213,526 | Mar. 25, 1879 | S.G. Otis | Improvement in Combination Measuring Tool | folding rules |
| 224,401 | Feb. 10, 1880 | W.J. Derickson | Ten-Foot Extension Rule | folding rules |
| 230,640 | Aug. 03, 1880 | W.W. Massey | Folding and Extension Measuring Rod | folding rules |
| 325,533 | Sep. 01, 1885 | W.H. Greene | Carpenter's Rule | folding rules |
| 330,837 | Nov. 17, 1885 | H. Judd | Pocket-Rule | folding rules |
