|Publication number||US358610 A|
|Publication date||Mar 1, 1887|
|Filing date||Dec 18, 1880|
|Publication number||US 358610 A, US 358610A, US-A-358610, US358610 A, US358610A|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (1), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
WOOD WOOL WADDING. No. 358,610. Patented Maryl, 1887.
WITNESSES: INVENTDR IL 7 WWW BY 7 ATTOR Y5,
rl. PETERS. Fhnkoiilhngmpher. Washingwm D. C
UNITED STATES PATENT triers.
PAUL HARTMANN, OF HEIDENHEIM, GERMANY.
SPECIFICATION forming part of Letters Patent No.358,610, dated March 1, 1887..
Application filed December 18, 1886. Serial No. 222,007. (No specimens.) Patented in England June 26, 1884, No. 9,463, and in Germany July 3, 1884, No. 30,824.
To all whom it may concern:
Be it known that I, PAUL HARTMANN, of Heidenheim, in the Empire of Germany, have invented certain new and useful Improvements in VVood-Wool WVadding, (for which Letters Patent have been granted to me in England, No. 9,463, dated June 26, 1884, and in Germany, No. 30, 824, dated July 3, 1884,) of which the following is a specification.
This invention relates to an improved absorbent for surgical purposes, which is made from wood fibers and cotton; and the invention consists of an absorbent for surgical purposes, composed of alternating layers of cotton wadding and carded wood pulp.
The accompanying drawing represents a perspective View of my improved Wood-wool wadding.
This new fabric, to which I have given the name of wood-wool wadding, is made on any suitable waddin'gmachine by uniting alternating layers of wood-wool or carded wood pulp andcotton. Thewood-woolisobtainedbycarding wood pulp on any suitable carding-ma chine, as will appear more fully by reference to the patent granted to me under date of as new and desire to secure by Letters Patent 0 An absorbentfor surgical purposes, or woodwool wad ding, consisting of alternating layers of cotton and Wood-wool or carded wood pulp, substantially as set forth.
In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.
FR. SouMALzIeUNo, J us. HAERING.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US4636208 *||Feb 7, 1985||Jan 13, 1987||Ewald Rath||Surgical sponge|