Last updated on 01/12/08

Patents of Nelson Marshall Watson

Lynn Watson-Powers obtained this information at the Georgia Tech Library.

1890

Watson, Nelson M., Ecorse, assignor of two thirds of J.B. Goundry and W.A. Chamberlain, Denton, MI

BURGLAR ALARM
Patent # 424,387 Mar. 25, Spec. 3065, Drg. 814, Vol. 50, p. 1743

1892 Watson, Nelson M., assignor of  three quarters to A.H. & W.B. Heath and S.A. Millard, Detroit, MI  ELECTRICAL ANNUNCIATOR
Patent # 471,986 Mar. 29, Spec. 3589, Drg. 916; 917, Vol. 58, p. 1826
Patent # 471,987 Mar. 29, Spec. 3591, Drg. 917, Vol. 58, p. 1827
1894  

 

Watson, Nelson M., assignor to Detroit Time Register Company, Detroit, MI EMPLOYEES TIME RECORDER
Patent # 515,805 Mar. 6, Spec. 123, Drg. 29; 30, Vol. 66, p. 1476
1894  Watson, Nelson M., assignor to A.H. & W.B. Heath and S.A. Millard, Detroit, MI ELECTRICAL ANNUNCIATOR
Patent # 514,975 Feb. 20, Spec. 1652, Drg. 413; 414, Vol. 66, p. 1197
1898  Watson, Nelson M., Detroit, MI COIN CONTROLLED MEDICAL BATTERY
Patent # 608,496 Aug. 2, Spec. 578, Drg. 578, Vol. 84, p. 770
1899 Watson, Nelson M., Detroit, MI, assignor to J.T. Wing, Detroit, MI CUTTER FOR CUTTING METALLIC PACKING
Patent # 622,906 Apr. 11, Spec. 1305, Drg. 300, Vol. 87, p. 266
1901 Watson, Nelson M., Detroit, MI COIN ACTUATED MEDICAL BATTERY
Patent # 684,014 Oct. 8, Spec. 1094, Drg. 245, Vol. 97, p. 242
1904 Watson, Nelson M., Detroit, MI BATTERY
Patent # 777,985 Dec. 20, Spec. 3043, Drg. 670, Vol. 113, p. 2115
1904 White, William J. and N. M. Watson, Detroit, MI; said Watson assignor to said White; MOUNTING MACHINE
Patent # 772,853, Oct. 18, Spec. 3290, Drg. 718, Vol. 112, 1708
1908/09  Watson, Nelson M., Detroit, MI ELECTRIC AIR COMPRESSOR
Patent # 878,260 Feb. 4, Spec. 751, Drg. 151, Vol. 132, p. 969
1908/09 Watson, Nelson M., assignor to J. H. Carstens, Detroit, MI ELECTRIC SIGNALING APPARATUS
Patent # 902,630 Nov. 3, Spec. 195, Vol. 137, p. 33

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