All Patents of Type: folding rule joints |
Patents 1 -
15
of 47
|
Number | Date | Patentee | Title | Type |
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 |
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 |
73,532 | Jan. 21, 1868 | W.O. Jones | Improvement in Combined Rule and Square | folding rule joints |
131,407 | Sep. 17, 1872 | E. Paeckert | Improvement in Jointed Rules | folding rule joints |
239,437 | Mar. 29, 1881 | C. Bube | Folding Rule Joint | folding rule joints |
290,889 | Dec. 25, 1883 | F.J. Kellogg | Tailor's Square | folding rule joints |
378,894 | Mar. 06, 1888 | J. McLean | Pocket-Rule | folding rule joints |
387,570 | Aug. 07, 1888 | J.A. Traut | Pocket Rule | folding rule joints |
405,464 | Jun. 18, 1889 | W. Cook | Scale Measure | folding rule joints |
439,511 | Oct. 28, 1890 | W. Hohnstein | Metal Folding Rule | folding rule joints |
496,123 | Apr. 25, 1893 | W.L. Keuffel | Zig Zag Rule | folding rule joints |
500,572 | Jul. 04, 1893 | R.J. Gillham | Pocket-Rule | folding rule joints |
532,658 | Jan. 15, 1895 | G.C. Gillespie | Folding Ruler | folding rule joints |