All Patents of Type: folding rules |
Patents 1 -
15
of 94
|
Number | Date | Patentee | Title | Type |
866X | Apr. 29, 1808 | B. Dearborn | Combination Rule/Bevel | folding rules |
8,783X | Apr. 22, 1835 | L. Hedge | Carpenter's rule joint | folding rule joints |
185 | Apr. 29, 1837 | L. Hedge | Double-Centered Joint for Rules | folding rule joints |
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 |
25,460 | Sep. 13, 1859 | H. Whitmore, D.M. Smith | Folding Rule Joint | folding rule joints |
48,327 | Jun. 20, 1865 | J.A. Traut | Improvements in Joints of Folding Rules | folding rule joints |
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 |
73,532 | Jan. 21, 1868 | W.O. Jones | Improvement in Combined Rule and Square | folding rule joints |
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 |
131,407 | Sep. 17, 1872 | E. Paeckert | Improvement in Jointed Rules | folding rule joints |