RT Journal
A1 Lewis B
T1 PAtenting surgical devices
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1909
FD January 23
VO LII
IS 4
SP 313
OP 314
DO 10.1001/jama.1909.02540300053014
UL http://dx.doi.org/10.1001/jama.1909.02540300053014
AB To the Editor: 
    —In The Journal, May 9, 1908, I contributed a paper entitled "Practical Cystoscopy," incidentally describing and explaining therein my latest model of examining and catheterizing cystoscope, named the "universal," which had first been introduced in 1906. In the paper I failed to mention the name of the manufacturers of the instrument, which, in the light of subsequent events, I believe to have been an unfortunate mistake on my part.In attending the Chicago session of the Association, a month after the publication of the paper, my attention was called by a surgeon friend to several practically worthless cystoscopes being offered for sale by some of the exhibiting dealers under the name, the "Bransford Lewis Universal Cystoscope." We examined a number of these instruments and found them to be inaccurate and lacking in every particular in the attainment of the several objects supplied by the instruments being made