Patent soliciting and United States court practice, with remarks concerning specifications and claims, drawings, official examination, appeals, reissues, searches and reports, court practice, interferences, foreign patents, etc (1883)
Howson & Howson. [from old catalog] · [Philadelphia, Press of Times printing house] · leaf 29
essaryto remark that by this plan the mostreliable assistants are secured, andproper secrecy maintained.The clerks of the establishment are not permitted,excepting on special occasions, to receive visits at theoffice on private business of their own, nor are theyallowed at any time to transact… … BUSINESS FACILITIES. I7 C
Patents
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