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US Patent: 4,220,284
Oscillating water sprinkler
Patentees:
Dhananjay V. Chaphalkar (exact or similar names) - Lindenhurst, IL
Frank A. Smiesko (exact or similar names) - McHenry, IL
John L. Beiswenger (exact or similar names) - Libertyville, IL

USPTO Classifications:
239/242, 91/339, 91/346, 92/125

Tool Categories:

Assignees:
Burgess Vibrocrafters, Inc. - Grayslake, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 29, 1979
Granted: Sep. 02, 1980

Patent Pictures:
USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Burgess Vibrocrafters, Inc.
Description:
The last patent issued to Burgess Vibrocrafters, a company that (among many other things) made some small consumer-grade woodworking machines.

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