All Patents of Type: music instrument maker |
Patents 1 -
15
of 84
|
Number | Date | Patentee | Title | Type |
116X | May 27, 1796 | J.S. McLean | Improvement in piano fortes | music instrument maker |
273X | Feb. 12, 1800 | J.J. Hawkins | Improvement in piano fortes | music instrument maker |
304X | Oct. 24, 1800 | J.J. Hawkins | Improvement in musical instruments | music instrument maker |
781X | Jul. 02, 1807 | R. Shaw | Piano forte | music instrument maker |
2,146X | Jun. 06, 1814 | W. Schaffer | German flute | music instrument maker |
2,632X | Jul. 08, 1816 | G. Charters | Improvement in the piano forte | music instrument maker |
2,849X | Oct. 03, 1817 | J. Geib | Improvement on the piano forte | music instrument maker |
2,996X | Aug. 27, 1818 | J.A. Gittwaldt (Guttwaldt) | Improvement in the piano forte | music instrument maker |
3,124X | Aug. 21, 1819 | R. Bury | Glass instead of metallic strings for piano fortes | music instrument maker |
3,129X | Aug. 30, 1819 | C. Pommer | Producing the swell in musical stringed instruments | music instrument maker |
3,608X | Nov. 14, 1822 | J. Stewart | Detached sounding board for pianos | music instrument maker |
3,917X | Jul. 29, 1824 | J. Dwight | Longitudinal bar for piano forte | music instrument maker |
4,292X | Dec. 17, 1825 | A. Babcock | Metal frame for piano fortes | music instrument maker |
4,754X | May 15, 1827 | T. Loud, Jr. | Horizontal piano fortes | music instrument maker |
5,043X | Mar. 18, 1828 | C.F. Albrecht | Piano fortes | music instrument maker |