Roller wheel

Details Roller wheel Roller wheel

1991-07-08

1993-08-03

Burke, Wallace R.

Tools and hardware

Fastener, support or mount not elsewhere specified

Support, guide, or spacer

Patent

active

D03379370

REFERENCES:
patent: D184346 (1959-02-01), Gerland
patent: D221833 (1971-09-01), Haydock
patent: D224705 (1972-09-01), Mattson
patent: D266396 (1982-10-01), Neville
patent: D266614 (1982-10-01), Neville
patent: D267540 (1983-01-01), Kanemitsu
patent: D272416 (1984-01-01), Screen
patent: D318219 (1991-07-01), Guile
patent: 4252986 (1981-02-01), Klein et al.
patent: 4624028 (1986-11-01), Wilkes
patent: 4854007 (1989-08-01), Cheng
C. W. Farmer Co. Catalog, 1942; p. 47, Steel Blocks, circled item at top, right of page.
Hamilton Catalog, 1987, p. 8, Wheels, Symbol B on left of page.

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