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US Patent: 98,795
Improvement in knob-latches
Patentee:
F. P. Pfleghar (exact or similar names) - New Haven, CT

USPTO Classifications:
292/165, 292/357, 70/452

Tool Categories:
household : door and window hardware

Assignees:
F. P. Pfleghar - New Haven, CT
McLagon & Stevens - New Haven, CT

Manufacturer:
McLagon & Smith - New Haven, CT
McLagon & Stevens - New Haven, CT

Witnesses:
John H. Shumway
A. J. Tibbits

Patent Dates:
Granted: Jan. 11, 1870

Patent Pictures:
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Vintage Machinery entry for McLagon & Smith
Description:
From the 1902 book, Commemorative Biographical Record of New Haven county, Connecticut.

"FRANK P. PFLEGHAR, a noted mechanic and manufacturer of hardware specialties at 74 Crown street, New Haven, was born in Wurtemberg, Germany, April 12, 1835... Pfleghar spent his school days in his native town, and began work when twelve years old. He came to New York when about nineteen years of age, and spent a year there working at cabinet making. In the old country he had worked with his father as a wheelwright and had a good knowledge of the use of tools. In 1855 he came to New Haven and secured employment in the Whitney Amory at Whitneyville, and for twelve years remained in the employ of that firm. At the expiration of that time, in company with William Shollhorn, he engaged in the machinist business under the name of Pfleghar & Shollhorn. After four years Mr. Pfleghar withdrew from the firm, and in company with McLagon & Stevens went into lock making under the name of the Union Lock Company. At the end of two and a half years this company was dissolved, and Mr. Pfleghar engaged in business for himself, devoting himself especially to the making of hardware specialties and tools, and in that line has developed a very flattering business, at No. 74 Crown street."

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