Clipboard

Details Clipboard Clipboard

1987-03-16

1990-06-12

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D19 86, D19 90, D19 91

Patent

active

D03085422

REFERENCES:
patent: D159473 (1949-02-01), Cottier
patent: D164269 (1951-08-01), Whittier
patent: D228528 (1973-10-01), Smith, Jr.
patent: D267809 (1983-02-01), Lowery et al.
patent: 275882 (1883-04-01), Brownell
patent: 297284 (1884-04-01), Mudgett
patent: 302774 (1884-07-01), Polkinborn
patent: D303811 (1989-10-01), DeWitt
patent: 767293 (1904-08-01), Kraus
patent: 1354211 (1920-09-01), Reed
patent: 1503949 (1924-08-01), Helm
patent: 1529982 (1925-03-01), Bunzli
patent: 1827929 (1931-10-01), Bigelow
patent: 2417879 (1947-03-01), Merritt
patent: 2850296 (1958-09-01), Ratliff
patent: 3776411 (1973-12-01), Luckadoo
patent: 3833970 (1974-09-01), Smith, Jr.
patent: 3977744 (1976-08-01), DeWitt
Office Appliances, Nov. 1967, p. 147, adv. for S. E. & M. Vernon, Inc., see clip center left.
Office Products Catalog .COPYRGT.1978, p. 76, see clip on clipboard #68-680 center right.

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